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Homework 4
(1 pt each)
Express the math expression “x = y” in Java.
Express the math expression “x<y<z” in Java.
Express the math expression “x<y or z<y” in Java.
Is there anything wrong with the code? If so, explain.
int a;
If (true)
a =1;
5. Define (that is, give the definition of) the Java operator &&.
6. Define (that is, give the definition of) the Java operator ||.
7. What is the value of (a>b) || (a<b) && (!true)? (Suppose a and b hold 1 and 2,
respectively.)
8. What is the output of the following code?
a=1; b=2;
if (b>a)
System.out.println(“b>a”);
else
System.out.println(“b<a”);
System.out.println(“or b=a”);
9. Is there anything wrong with the code? If so, explain.
int a;
int b;
boolean c;
a=1; b=2; c=a>b;
if (c)
a=2;
10. Is there anything wrong with the code? If so, explain.
public class T
{
public static void main(String args[]);
{
System.out.println(“abc”);
}
}
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