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Understanding Program Output Through Drill

This educational program demonstrates how class methods manipulate values and affect output when executed in Java code. Learn from this drill to understand Java programming concepts effectively.

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Understanding Program Output Through Drill

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Presentation Transcript

  1. Drill – What does this program output? class Num { private int n; Num(intnum) {set(num);} public int get (){return n;} public void set (intnum){n=num;} } class CB { public static void change(int a, int b, int c, Num d, Num e, int[] f, int[] g){ b=d.get(); f[2]=a; g=f; d=e; e.set(c); c=9;} public static void main(String[] s){ int[] ia = {4,2,7}; int[] ib = {3,8,5}; Num n1=new Num(6); Num n2=new Num(1); change(ia[0],ia[1],0,n1,n2,ia,ib); for (int i=0;i<3;i++) System.out.println(ia[i]+" "+ib[i]); System.out.println(n1.get()+" "+n2.get());}}

  2. Answers (notes)

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