diff --git a/examples/dotnet/csintegerprogramming.cs b/examples/dotnet/csintegerprogramming.cs
index c8e2181f39..557a0caf01 100644
--- a/examples/dotnet/csintegerprogramming.cs
+++ b/examples/dotnet/csintegerprogramming.cs
@@ -106,19 +106,19 @@ public class CsIntegerProgramming
   static void Main()
   {
     Console.WriteLine("---- Integer programming example with GLPK ----");
-    RunIntegerProgrammingExample("GLPK_MIXED_INTEGER_PROGRAMMING");
+    RunIntegerProgrammingExample("GLPK");
     Console.WriteLine("---- Linear programming example with CBC ----");
-    RunIntegerProgrammingExample("CBC_MIXED_INTEGER_PROGRAMMING");
+    RunIntegerProgrammingExample("CBC");
     Console.WriteLine("---- Linear programming example with SCIP ----");
-    RunIntegerProgrammingExample("SCIP_MIXED_INTEGER_PROGRAMMING");
+    RunIntegerProgrammingExample("SCIP");
     Console.WriteLine(
         "---- Integer programming example (Natural API) with GLPK ----");
-    RunIntegerProgrammingExampleNaturalApi("GLPK_MIXED_INTEGER_PROGRAMMING");
+    RunIntegerProgrammingExampleNaturalApi("GLPK");
     Console.WriteLine(
         "---- Linear programming example (Natural API) with CBC ----");
-    RunIntegerProgrammingExampleNaturalApi("CBC_MIXED_INTEGER_PROGRAMMING");
+    RunIntegerProgrammingExampleNaturalApi("CBC");
     Console.WriteLine(
         "---- Linear programming example (Natural API) with SCIP ----");
-    RunIntegerProgrammingExampleNaturalApi("SCIP_MIXED_INTEGER_PROGRAMMING");
+    RunIntegerProgrammingExampleNaturalApi("SCIP");
   }
 }
diff --git a/examples/dotnet/cslinearprogramming.cs b/examples/dotnet/cslinearprogramming.cs
index 28b2128d68..b58611f1bc 100644
--- a/examples/dotnet/cslinearprogramming.cs
+++ b/examples/dotnet/cslinearprogramming.cs
@@ -18,6 +18,8 @@ public class CsLinearProgramming
 {
   private static void RunLinearProgrammingExample(String solverType)
   {
+    Console.WriteLine($"---- Linear programming example with {solverType} ----");
+
     Solver solver = Solver.CreateSolver("IntegerProgramming", solverType);
     if (solver == null)
     {
@@ -96,6 +98,9 @@ public class CsLinearProgramming
   private static void RunLinearProgrammingExampleNaturalApi(
       String solverType, bool printModel)
   {
+    Console.WriteLine(
+        $"---- Linear programming example (Natural API) with {solverType} ----");
+
     Solver solver = Solver.CreateSolver("IntegerProgramming", solverType);
     if (solver == null)
     {
@@ -157,20 +162,12 @@ public class CsLinearProgramming
 
   static void Main()
   {
-    Console.WriteLine("---- Linear programming example with GLOP ----");
-    RunLinearProgrammingExample("GLOP_LINEAR_PROGRAMMING");
-    Console.WriteLine("---- Linear programming example with GLPK ----");
-    RunLinearProgrammingExample("GLPK_LINEAR_PROGRAMMING");
-    Console.WriteLine("---- Linear programming example with CLP ----");
-    RunLinearProgrammingExample("CLP_LINEAR_PROGRAMMING");
-    Console.WriteLine(
-        "---- Linear programming example (Natural API) with GLOP ----");
-    RunLinearProgrammingExampleNaturalApi("GLOP_LINEAR_PROGRAMMING", true);
-    Console.WriteLine(
-        "---- Linear programming example (Natural API) with GLPK ----");
-    RunLinearProgrammingExampleNaturalApi("GLPK_LINEAR_PROGRAMMING", false);
-    Console.WriteLine(
-        "---- Linear programming example (Natural API) with CLP ----");
-    RunLinearProgrammingExampleNaturalApi("CLP_LINEAR_PROGRAMMING", false);
+    RunLinearProgrammingExample("GLOP");
+    RunLinearProgrammingExample("GLPK_LP");
+    RunLinearProgrammingExample("CLP");
+
+    RunLinearProgrammingExampleNaturalApi("GLOP", true);
+    RunLinearProgrammingExampleNaturalApi("GLPK_LP", false);
+    RunLinearProgrammingExampleNaturalApi("CLP", false);
   }
 }
diff --git a/examples/java/IntegerProgramming.java b/examples/java/IntegerProgramming.java
index 2d48a6c379..353cd50ee1 100644
--- a/examples/java/IntegerProgramming.java
+++ b/examples/java/IntegerProgramming.java
@@ -80,10 +80,10 @@ public class IntegerProgramming {
 
   public static void main(String[] args) throws Exception {
     System.out.println("---- Integer programming example with SCIP (recommended) ----");
-    runIntegerProgrammingExample("SCIP_MIXED_INTEGER_PROGRAMMING");
+    runIntegerProgrammingExample("SCIP");
     System.out.println("---- Integer programming example with CBC ----");
-    runIntegerProgrammingExample("CBC_MIXED_INTEGER_PROGRAMMING");
+    runIntegerProgrammingExample("CBC");
     System.out.println("---- Integer programming example with CP-SAT ----");
-    runIntegerProgrammingExample("SAT_INTEGER_PROGRAMMING");
+    runIntegerProgrammingExample("SAT");
   }
 }
diff --git a/examples/java/LinearProgramming.java b/examples/java/LinearProgramming.java
index c6cf0e5900..271674d75e 100644
--- a/examples/java/LinearProgramming.java
+++ b/examples/java/LinearProgramming.java
@@ -116,8 +116,8 @@ public class LinearProgramming {
 
   public static void main(String[] args) throws Exception {
     System.out.println("---- Linear programming example with GLOP (recommended) ----");
-    runLinearProgrammingExample("GLOP_LINEAR_PROGRAMMING", true);
+    runLinearProgrammingExample("GLOP", true);
     System.out.println("---- Linear programming example with CLP ----");
-    runLinearProgrammingExample("CLP_LINEAR_PROGRAMMING", false);
+    runLinearProgrammingExample("CLP", false);
   }
 }
diff --git a/examples/python/linear_programming.py b/examples/python/linear_programming.py
index 4f404bb60e..62da7bc23e 100644
--- a/examples/python/linear_programming.py
+++ b/examples/python/linear_programming.py
@@ -13,6 +13,7 @@
 """Linear programming examples that show how to use the APIs."""
 
 from __future__ import print_function
+
 from ortools.linear_solver import pywraplp
 
 
diff --git a/ortools/linear_solver/java/linear_solver.i b/ortools/linear_solver/java/linear_solver.i
index b530d40e94..469e30ed74 100644
--- a/ortools/linear_solver/java/linear_solver.i
+++ b/ortools/linear_solver/java/linear_solver.i
@@ -285,6 +285,7 @@ PROTO2_RETURN(
 %unignore operations_research::MPSolver;
 %unignore operations_research::MPSolver::MPSolver;
 %unignore operations_research::MPSolver::~MPSolver;
+%newobject operations_research::MPSolver::CreateSolver;
 %rename (createSolver) operations_research::MPSolver::CreateSolver;
 %rename (parseAndCheckSupportForProblemType)
     operations_research::MPSolver::ParseAndCheckSupportForProblemType;
diff --git a/ortools/linear_solver/samples/AssignmentMip.cs b/ortools/linear_solver/samples/AssignmentMip.cs
index 7e34df46a9..52606a1e06 100644
--- a/ortools/linear_solver/samples/AssignmentMip.cs
+++ b/ortools/linear_solver/samples/AssignmentMip.cs
@@ -36,7 +36,7 @@ public class AssignmentMip
 
     // Model.
     // [START model]
-    Solver solver = Solver.CreateSolver("AssignmentMip", "cbc");
+    Solver solver = Solver.CreateSolver("AssignmentMip", "CBC");
     // [END model]
 
     // Variables.
diff --git a/ortools/linear_solver/samples/AssignmentMip.java b/ortools/linear_solver/samples/AssignmentMip.java
index 3d7310f974..364526ae45 100644
--- a/ortools/linear_solver/samples/AssignmentMip.java
+++ b/ortools/linear_solver/samples/AssignmentMip.java
@@ -43,7 +43,7 @@ public class AssignmentMip {
     // Solver
     // [START solver]
     // Create the linear solver with the CBC backend.
-    MPSolver solver = MPSolver.createSolver("AssignmentMip", "cbc");
+    MPSolver solver = MPSolver.createSolver("AssignmentMip", "CBC");
     // [END solver]
 
     // Variables
diff --git a/ortools/linear_solver/samples/BinPackingMip.cs b/ortools/linear_solver/samples/BinPackingMip.cs
index 18ed6664c0..3eaee73fe5 100644
--- a/ortools/linear_solver/samples/BinPackingMip.cs
+++ b/ortools/linear_solver/samples/BinPackingMip.cs
@@ -38,7 +38,7 @@ public class BinPackingMip
 
     // [START solver]
     // Create the linear solver with the CBC backend.
-    Solver solver = Solver.CreateSolver("BinPackingMip", "cbc");
+    Solver solver = Solver.CreateSolver("BinPackingMip", "CBC");
     // [END solver]
 
     // [START program_part2]
diff --git a/ortools/linear_solver/samples/BinPackingMip.java b/ortools/linear_solver/samples/BinPackingMip.java
index bb53a465bf..1574ae9c0e 100644
--- a/ortools/linear_solver/samples/BinPackingMip.java
+++ b/ortools/linear_solver/samples/BinPackingMip.java
@@ -45,7 +45,7 @@ public class BinPackingMip {
 
     // [START solver]
     // Create the linear solver with the CBC backend.
-    MPSolver solver = MPSolver.createSolver("BinPackingMip", "cbc");
+    MPSolver solver = MPSolver.createSolver("BinPackingMip", "CBC");
     // [END solver]
 
     // [START program_part2]
diff --git a/ortools/linear_solver/samples/LinearProgrammingExample.cs b/ortools/linear_solver/samples/LinearProgrammingExample.cs
index 1573f841f6..dee9d58e80 100644
--- a/ortools/linear_solver/samples/LinearProgrammingExample.cs
+++ b/ortools/linear_solver/samples/LinearProgrammingExample.cs
@@ -20,7 +20,7 @@ public class LinearProgrammingExample
   static void Main()
   {
       // [START solver]
-      Solver solver = Solver.CreateSolver("LinearProgrammingExample", "glop");
+      Solver solver = Solver.CreateSolver("LinearProgrammingExample", "GLOP");
       // [END solver]
       // x and y are continuous non-negative variables.
       // [START variables]
diff --git a/ortools/linear_solver/samples/LinearProgrammingExample.java b/ortools/linear_solver/samples/LinearProgrammingExample.java
index 39129716ae..a280ade296 100644
--- a/ortools/linear_solver/samples/LinearProgrammingExample.java
+++ b/ortools/linear_solver/samples/LinearProgrammingExample.java
@@ -27,7 +27,7 @@ public class LinearProgrammingExample {
 
   public static void main(String[] args) throws Exception {
     // [START solver]
-    MPSolver solver = MPSolver.createSolver("LinearProgrammingExample", "glop");
+    MPSolver solver = MPSolver.createSolver("LinearProgrammingExample", "GLOP");
     // [END solver]
 
     // [START variables]
diff --git a/ortools/linear_solver/samples/MipVarArray.cs b/ortools/linear_solver/samples/MipVarArray.cs
index 61c26e8a3d..2518a96887 100644
--- a/ortools/linear_solver/samples/MipVarArray.cs
+++ b/ortools/linear_solver/samples/MipVarArray.cs
@@ -44,7 +44,7 @@ public class MipVarArray
 
     // [START solver]
     // Create the linear solver with the CBC backend.
-    Solver solver = Solver.CreateSolver("MipVarArray", "cbc");
+    Solver solver = Solver.CreateSolver("MipVarArray", "CBC");
     // [END solver]
 
     // [START program_part2]
diff --git a/ortools/linear_solver/samples/MipVarArray.java b/ortools/linear_solver/samples/MipVarArray.java
index c523ad92b6..c6f287edb2 100644
--- a/ortools/linear_solver/samples/MipVarArray.java
+++ b/ortools/linear_solver/samples/MipVarArray.java
@@ -50,7 +50,7 @@ public class MipVarArray {
 
     // [START solver]
     // Create the linear solver with the CBC backend.
-    MPSolver solver = MPSolver.createSolver("MipVarArray", "cbc");
+    MPSolver solver = MPSolver.createSolver("MipVarArray", "CBC");
     // [END solver]
 
     // [START program_part2]
diff --git a/ortools/linear_solver/samples/MultipleKnapsackMip.cs b/ortools/linear_solver/samples/MultipleKnapsackMip.cs
index 3c2a9c87c9..509bf66b5f 100644
--- a/ortools/linear_solver/samples/MultipleKnapsackMip.cs
+++ b/ortools/linear_solver/samples/MultipleKnapsackMip.cs
@@ -41,7 +41,7 @@ public class MultipleKnapsackMip
 
     // [START solver]
     // Create the linear solver with the CBC backend.
-    Solver solver = Solver.CreateSolver("MultipleKnapsackMip", "cbc");
+    Solver solver = Solver.CreateSolver("MultipleKnapsackMip", "CBC");
     // [END solver]
 
     // [START program_part2]
diff --git a/ortools/linear_solver/samples/MultipleKnapsackMip.java b/ortools/linear_solver/samples/MultipleKnapsackMip.java
index 36cd5e937a..cca0ecd76c 100644
--- a/ortools/linear_solver/samples/MultipleKnapsackMip.java
+++ b/ortools/linear_solver/samples/MultipleKnapsackMip.java
@@ -46,7 +46,7 @@ public class MultipleKnapsackMip {
 
     // [START solver]
     // Create the linear solver with the CBC backend.
-    MPSolver solver = MPSolver.createSolver("MultipleKnapsackMip", "cbc");
+    MPSolver solver = MPSolver.createSolver("MultipleKnapsackMip", "CBC");
     // [END solver]
 
     // [START program_part2]
diff --git a/ortools/linear_solver/samples/SimpleLpProgram.cs b/ortools/linear_solver/samples/SimpleLpProgram.cs
index 9f82556740..80ab61ffd1 100644
--- a/ortools/linear_solver/samples/SimpleLpProgram.cs
+++ b/ortools/linear_solver/samples/SimpleLpProgram.cs
@@ -22,7 +22,7 @@ public class SimpleLpProgram
   {
     // [START solver]
     // Create the linear solver with the GLOP backend.
-    Solver solver = Solver.CreateSolver("SimpleLpProgram", "glop");
+    Solver solver = Solver.CreateSolver("SimpleLpProgram", "GLOP");
     // [END solver]
 
     // [START variables]
diff --git a/ortools/linear_solver/samples/SimpleLpProgram.java b/ortools/linear_solver/samples/SimpleLpProgram.java
index 83d30d6a86..ff4c340f4f 100644
--- a/ortools/linear_solver/samples/SimpleLpProgram.java
+++ b/ortools/linear_solver/samples/SimpleLpProgram.java
@@ -30,7 +30,7 @@ public class SimpleLpProgram {
   public static void main(String[] args) throws Exception {
     // [START solver]
     // Create the linear solver with the GLOP backend.
-    MPSolver solver = MPSolver.createSolver("SimpleLpProgram", "glop");
+    MPSolver solver = MPSolver.createSolver("SimpleLpProgram", "GLOP");
     // [END solver]
 
     // [START variables]
diff --git a/ortools/linear_solver/samples/SimpleMipProgram.cs b/ortools/linear_solver/samples/SimpleMipProgram.cs
index 6d84e8787b..b39e9d08af 100644
--- a/ortools/linear_solver/samples/SimpleMipProgram.cs
+++ b/ortools/linear_solver/samples/SimpleMipProgram.cs
@@ -23,7 +23,7 @@ public class SimpleMipProgram
   {
     // [START solver]
     // Create the linear solver with the CBC backend.
-    Solver solver = Solver.CreateSolver("SimpleMipProgram", "cbc");
+    Solver solver = Solver.CreateSolver("SimpleMipProgram", "CBC");
     // [END solver]
 
     // [START variables]
diff --git a/ortools/linear_solver/samples/SimpleMipProgram.java b/ortools/linear_solver/samples/SimpleMipProgram.java
index 96d6488981..7dd394b716 100644
--- a/ortools/linear_solver/samples/SimpleMipProgram.java
+++ b/ortools/linear_solver/samples/SimpleMipProgram.java
@@ -30,7 +30,7 @@ public class SimpleMipProgram {
   public static void main(String[] args) throws Exception {
     // [START solver]
     // Create the linear solver with the CBC backend.
-    MPSolver solver = MPSolver.createSolver("SimpleMipProgram", "cbc");
+    MPSolver solver = MPSolver.createSolver("SimpleMipProgram", "CBC");
     // [END solver]
 
     // [START variables]
diff --git a/ortools/linear_solver/samples/assignment_mip.py b/ortools/linear_solver/samples/assignment_mip.py
index e272d56a24..3115b7e234 100644
--- a/ortools/linear_solver/samples/assignment_mip.py
+++ b/ortools/linear_solver/samples/assignment_mip.py
@@ -34,7 +34,7 @@ def main():
     # Solver
     # [START solver]
     # Create the mip solver with the CBC backend.
-    solver = pywraplp.Solver.CreateSolver('assignment_mip', 'cbc')
+    solver = pywraplp.Solver.CreateSolver('assignment_mip', 'CBC')
 
     # [END solver]
 
diff --git a/ortools/linear_solver/samples/bin_packing_mip.py b/ortools/linear_solver/samples/bin_packing_mip.py
index 8c8e23d970..42674b8738 100644
--- a/ortools/linear_solver/samples/bin_packing_mip.py
+++ b/ortools/linear_solver/samples/bin_packing_mip.py
@@ -43,7 +43,7 @@ def main():
 
     # [START solver]
     # Create the mip solver with the CBC backend.
-    solver = pywraplp.Solver.CreateSolver('bin_packing_mip', 'cbc')
+    solver = pywraplp.Solver.CreateSolver('bin_packing_mip', 'CBC')
 
     # [END solver]
 
diff --git a/ortools/linear_solver/samples/integer_programming_example.py b/ortools/linear_solver/samples/integer_programming_example.py
index b49be1d9a9..0c219bc011 100644
--- a/ortools/linear_solver/samples/integer_programming_example.py
+++ b/ortools/linear_solver/samples/integer_programming_example.py
@@ -22,7 +22,7 @@ def IntegerProgrammingExample():
     """Integer programming sample."""
     # [START solver]
     # Create the mip solver with the CBC backend.
-    solver = pywraplp.Solver.CreateSolver('integer_programming_example', 'cbc')
+    solver = pywraplp.Solver.CreateSolver('integer_programming_example', 'CBC')
 
     # [END solver]
 
diff --git a/ortools/linear_solver/samples/linear_programming_example.py b/ortools/linear_solver/samples/linear_programming_example.py
index 55e2352e55..9508c6414a 100644
--- a/ortools/linear_solver/samples/linear_programming_example.py
+++ b/ortools/linear_solver/samples/linear_programming_example.py
@@ -23,7 +23,7 @@ def LinearProgrammingExample():
     """Linear programming sample."""
     # Instantiate a Glop solver, naming it LinearExample.
     # [START solver]
-    solver = pywraplp.Solver.CreateSolver('linear_programming_examples', 'glop')
+    solver = pywraplp.Solver.CreateSolver('linear_programming_examples', 'GLOP')
     # [END solver]
 
     # Create the two variables and let them take on any non-negative value.
diff --git a/ortools/linear_solver/samples/mip_var_array.py b/ortools/linear_solver/samples/mip_var_array.py
index 6c02d37c12..549a782a06 100644
--- a/ortools/linear_solver/samples/mip_var_array.py
+++ b/ortools/linear_solver/samples/mip_var_array.py
@@ -47,7 +47,7 @@ def main():
     # [END program_part1]
     # [START solver]
     # Create the mip solver with the CBC backend.
-    solver = pywraplp.Solver.CreateSolver('mip_var_array', 'cbc')
+    solver = pywraplp.Solver.CreateSolver('mip_var_array', 'CBC')
     # [END solver]
 
     # [START program_part2]
diff --git a/ortools/linear_solver/samples/multiple_knapsack_mip.py b/ortools/linear_solver/samples/multiple_knapsack_mip.py
index aa20275ea6..6fb868a467 100644
--- a/ortools/linear_solver/samples/multiple_knapsack_mip.py
+++ b/ortools/linear_solver/samples/multiple_knapsack_mip.py
@@ -47,7 +47,7 @@ def main():
 
     # [START solver]
     # Create the mip solver with the CBC backend.
-    solver = pywraplp.Solver.CreateSolver('multiple_knapsack_mip', 'cbc')
+    solver = pywraplp.Solver.CreateSolver('multiple_knapsack_mip', 'CBC')
     # [END solver]
 
     # [START program_part2]
diff --git a/ortools/linear_solver/samples/simple_lp_program.py b/ortools/linear_solver/samples/simple_lp_program.py
index 9dc49f3b3e..c112e8a96a 100644
--- a/ortools/linear_solver/samples/simple_lp_program.py
+++ b/ortools/linear_solver/samples/simple_lp_program.py
@@ -21,7 +21,7 @@ from ortools.linear_solver import pywraplp
 def main():
     # [START solver]
     # Create the linear solver with the GLOP backend.
-    solver = pywraplp.Solver.CreateSolver('simple_lp_program', 'glop')
+    solver = pywraplp.Solver.CreateSolver('simple_lp_program', 'GLOP')
     # [END solver]
 
     # [START variables]
diff --git a/ortools/linear_solver/samples/simple_mip_program.py b/ortools/linear_solver/samples/simple_mip_program.py
index 26e6ec4b6a..28cd43d806 100644
--- a/ortools/linear_solver/samples/simple_mip_program.py
+++ b/ortools/linear_solver/samples/simple_mip_program.py
@@ -21,7 +21,7 @@ from ortools.linear_solver import pywraplp
 def main():
     # [START solver]
     # Create the mip solver with the CBC backend.
-    solver = pywraplp.Solver.CreateSolver('simple_mip_program', 'cbc')
+    solver = pywraplp.Solver.CreateSolver('simple_mip_program', 'CBC')
     # [END solver]
 
     # [START variables]