x > 0 : z = 2x^2
x < 0 : z = 2x + 4y
x = 0 : z = 1
public class HW03_08 {
public static void main(String[] args) {
int z;
System.out.print("Input x: ");
int x = new java.util.Scanner(System.in).nextInt();
if (x > 0) {
z = 2 * (x*x);
} else if (x < 0) {
System.out.print("Input y: ");
int y = new java.util.Scanner(System.in).nextInt();
z = (2 * x) + (4 * y);
} else {
z = 1;
}
System.out.println ("z = " + z);
}
}
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