Linux operational Systems Engineer and Java Basic Learning series-2

Java Natural Pride Series-2

Operator

1. Arithmetic Operators

Note :

1 ) "+" number is used as a string connector in addition to the addition operation;

2 ) string data and any data usage + are all connected and eventually become strings.

package day4javatest.myeclipse;

Public class Day4test1 {

               /**

                * @param args

*/

publicstaticvoid Main (String[]args) {

// TODO auto-generated method Stub

//int x=18;

//int y=9;

//int z;

//z=x+y;

//system.out.print (20%4);

//int a=3,b;

               //b=a++;

               System. out "hello" + "world!" + " child "

//system.out.println (a);

}

}

Operation Result: helloworld! Child Children

Supplemental: Escape character

escape character: by \ to change the meaning of the letter or symbol behind it.

\ n: line Break

To be Continued ...

This article is from the "Empty Valley Orchid" blog, please be sure to keep this source http://2489843.blog.51cto.com/2479843/1539026