Java integer maximum and minimum values and variable declaration

Source: Internet
Author: User
Tags constant

Java integer maximum and minimum values and variable declaration

Integer maximum and minimum

A constant holds the highest value of intelligence can possess 31-1 2 ^.

A constant holds the minimum value, and the intelligence can be reduced by 2 ^ 31.

Public class MainClass {

Public static void main (String [] arg ){
System. out. println (Integer. MAX_VALUE );

System. out. println (Integer. MIN_VALUE );


BitCount binary representation

Public class MainClass {
Public static void main (String args []) {
Int n = 170; // 10101010

System. out. println ("Value in binary: 10101010 ");

System. out. println ("Number of one bits:" + Integer. bitCount (n ));

Value in binary: 10101010
Number of one bits: 4

Declare an integer variable

Public class Main {
Public static void main (String [] args ){
Integer required bj1 = new Integer (10 );
Integer between bj2 = new Integer ("10 ");
System. out. println (required bj1 );
System. out. println (ipvbj2 );

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.