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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		int newNumber = 2;
  13.         int newIndex=1;
  14.         int[] gato={1,4,3,7,8}; //old array
  15.         int[] perro = new int[gato.length+1]; //new array
  16.  
  17.         System.out.print("Old array: ");
  18.         for(int k = 0; k<gato.length; k++){
  19.         	System.out.print(gato[k] + ", ");
  20.         }
  21.         System.out.println();
  22.  
  23.         int j = 0;
  24. 		for(int i = 0; i<perro.length; i++){
  25. 		    if(i == newIndex){
  26. 		        perro[i] = newNumber;
  27. 		    }
  28. 		    else{
  29. 		        perro[i] = gato[j];
  30. 		        j++;
  31. 		    }
  32. 		}
  33.  
  34. 		System.out.print("New array: ");
  35.         for(int k = 0; k<perro.length; k++){
  36.         	System.out.print(perro[k] + ", ");
  37.         }
  38.         System.out.println();
  39.  
  40. 	}
  41. }
Success #stdin #stdout 0.09s 320320KB
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stdin
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Standard input is empty
stdout
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Old array: 1, 4, 3, 7, 8, 
New array: 1, 2, 4, 3, 7, 8,
https://ideone.com/VMFggl
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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