bubble.java

Mcgraw-Hill - Java 2 - A Beginner S Guide, 2Nd Ed - 2003 -prog.

/* 
   Project 5-1 
   Demonstrate the Bubble sort. 
*/ 
 
class Bubble {  
  public static void main(String args[]) {  
    int nums[] = { 99, -10, 100123, 18, -978, 
                   5623, 463, -9, 287, 49 }; 
    int a, b, t;  
    int size;  
  
    size = 10; // number of elements to sort  
  
    // display original array  
    System.out.print("Original array is:"); 
    for(int i=0; i < size; i++) 
      System.out.print(" " + nums[i]);  
    System.out.println();  
  
    // This is the bubble sort.  
    for(a=1; a < size; a++)  
      for(b=size-1; b >= a; b--) {  
        if(nums[b-1] > nums[b]) { // if out of order  
          // exchange elements   
          t = nums[b-1];  
          nums[b-1] = nums[b];  
          nums[b] = t;  
        }  
      }  
  
    // display sorted array  
    System.out.print("Sorted array is:");  
    for(int i=0; i < size; i++) 
      System.out.print(" " + nums[i]);  
    System.out.println(); 
  } 
}