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2.public class aa {
public static void main(String[] args) {
int x;
int a[] = { 0, 0, 0, 0, 0, 0 };
calculate(a, a[5]);
System.out.println("the value of a[0] is " + a[0]);
System.out.println("the value is a[5] is " + a[5]);
}
static int calculate(int x[], int y) {
for (int i = 1; i < x.length; i++)
if (y < x.length)
x[i] = x[i - 1] + 1;
return x[0];
}
}
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the value of a[0] is 0
the value is a[5] is 5


class bb{
public static void main(String args[]){
double d=1.23;
Dec dec=new Dec( );
dec.decrement(d);
System.out.println(d);
}}
class Dec{
public void decrement(double decMe){
decMe = decMe-0.1;
}
}
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1.23


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