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Array problem

peterx peter

Joined: Nov 02, 2004
Posts: 19
This is an insertion sort program, the program is OK
But my question is about out put of (j):
A[j + 1] = a;
System.out.print(j+" ");
The out put is -1,0,0,-1,1,-1,1)
Which (j) dose take these values and how dose it work???

Ernest Friedman-Hill
author and iconoclast

Joined: Jul 08, 2003
Posts: 24195

The best way to understand would be to run the program in a debugger and step through it one statement at a time, paying attention to the values of all the relevant variables. Of course, first you'd have to be sure to understand the algorithm being used.

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Ramesh Shanmugam
Ranch Hand

Joined: Sep 13, 2004
Posts: 132
it is values of J that you decrease using J-- in the forloop..

each time it decreases J's value and that leads to 1, 0, -1 etc....

Ramesh Shanmugam - SCJP 1.5
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subject: Array problem
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