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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.util.stream.*;
  5. import java.lang.*;
  6. import java.io.*;
  7.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10. {
  11.  
  12. //	public void addCarriages(Carriage [] carriageCoupes, Carriage[] carriagePKs){
  13. //      arrayOfCarriages = new Carriage[carriageCoupes.length + carriagePKs.length];
  14. //      System.arraycopy(carriagePKs, 0, arrayOfCarriages, 0, carriagePKs.length);
  15. //      System.arraycopy(carriageCoupes, 0, arrayOfCarriages, carriagePKs.length, carriageCoupes.length);
  16. //  }
  17.  
  18.     static public String[] joinArrays(String[] carriageCoupes, String[] carriagePKs){
  19.         String[] arrayOfCarriages = new String[carriageCoupes.length + carriagePKs.length];
  20.         System.arraycopy(carriagePKs, 0, arrayOfCarriages, 0, carriagePKs.length);
  21.         System.arraycopy(carriageCoupes, 0, arrayOfCarriages, carriagePKs.length, carriageCoupes.length);
  22.  
  23.         return arrayOfCarriages;
  24.     }
  25.  
  26.     public static void main(String[] args) throws Exception {
  27.         String[] a = Stream.generate( () -> "a" ).limit( 3 ).toArray(String[]::new);
  28.         String[] b = Stream.generate( () -> "b" ).limit( 7 ).toArray(String[]::new);
  29.  
  30.         System.out.println( Arrays.toString( joinArrays( a, b ) ) );
  31. 	}
  32. }
Success #stdin #stdout 0.09s 711168KB
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Standard input is empty
stdout
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[b, b, b, b, b, b, b, a, a, a]
https://ideone.com/CXWJ4L
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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