long vs int java
An int is a 32-bit integer; a long is a 64-bit integer. Which one to use depends on how large the numbers are that you expect to work with.
int and long are primitive types, while Integer and Long are objects.
Primitive types are more efficient, but sometimes you need to use objects;
for example, Java's collection classes can only work with objects,
so if you need a list of integers you have to make it a List<Integer>, for example (you can't use int in a List directly).java integer compareto
public class IntegerCompareToExample {
public static void main(String[] args) {
// compares two Integer values numerically
Integer x = new Integer("90");
Integer y= new Integer("58");
int retResult = x.compareTo(y);
if(retResult > 0) {
System.out.println("x is greater than y");
} else if(retResult< 0) {
System.out.println("x is less than y");
} else {
System.out.println("x is equal to y");
}
}
}Copyright © 2021 Codeinu
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