So recently I got a question that how to perform the function of if...else without if...else.
Like if a program is to find the greater between integer a and b, one would easily write that
if (a>b) {
System.out.println("a is greater");
} else {
System.out.println("b is greater");
}
Is there any other way to do this without if...else method?
Use the ternary:
System.out.println((a > b ? "a" : "b") + " is greater");
Note: Both this code and your code assumes that a is not equal to b.
A more contrived solution would be:
switch ((int) Math.signum(Integer.compare(a, b))) {
case 1:
System.out.println("a is greater");
break;
default:
System.out.println("b is greater");
}
switch with the result of Math.signum(). It returns double or float. And a - b can overflow.
Integer.compare() is better.we can use the Java Ternary Operator.
System.out.println((a > b ? "a" : "b") + " is greater);
for more follow this: https://docs.oracle.com/javase/tutorial/java/nutsandbolts/op2.html
This is pretty easy using Math:
int max = Math.max(a, b);
System.out.printf("%d is greater than %d%n", Math.max(a, b), Math.min(a, b));