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How to express not equal in java

Dec 14, 2019 pm 02:39 PM
java

How to express not equal in java

Not equal to in java, it can be used between numbers! = means that strings can be compared using the equals method

public class TestA {
public static void main(String[] args){
int a=5;
int b=4;
//数字或者对象地址之间不等于可以用!=符号来比较
System.out.println(a!=b);
String str1="hello";
String str2="hi";
String str3="hello";
//字符串之间可以用equals方法来比较
System.out.println(str1.equals(str2));
//true表示相等,false表示不等
System.out.println(str1.equals(str3));

equals() method is used to compare a string with a specified object.

Syntax

public boolean equals(Object anObject)

Parameters

anObject -- The object to compare with the string.

Return value

Returns true if the given object is equal to the string; otherwise returns false.

For more java knowledge, please pay attention to the java basic tutorial column.

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