java version of jacco's last 4 mutations added

Equivalent mutations/2D_to_1D.java

Equivalent mutations/Mutants/2D_to_1D_no_1D.java

Equivalent mutations/Mutants/2D_to_1D_no_counter.java

Equivalent mutations/Mutants/Vectors01Generator_no_for.java

...nt mutations/Mutants/Vectors01Generator_print_string.java

Equivalent mutations/Vectors01Generator.java

Equivalent mutations/original C# code/2D_to_1D_no_1D.cs

Equivalent mutations/original C# code/2D_to_1D_no_counter.cs

...t mutations/original C# code/Vectors01Generator_no_for.cs

...tions/original C# code/Vectors01Generator_print_string.cs