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Java 将字符串与内置方法进行比较

欢马劈雪

工程师 (已认证)

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使用内置的equals（），equalsIgnoreCase（），compareTo（）和compareToIgnoreCase（）方法来比较String值。

实例源码：

源代码：

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public class Main {

public static void main(String[] args){

String one = "one";

String two = "two";// 来 自 n  o  w  j  a  v  a . c o m

String var1 = "one";

String var2 = "Two";

String pieceone = "o";

String piecetwo = "ne";

if (one.equals(var1)){

System.out.println ("String one equals var1 using equals");

}
        /* 
         来自 
        *nowjava.com*/

if (one.equals(two)){

System.out.println ("String one equals two using equals");

}

if (two.equals(var2)){

System.out.println ("String two equals var2 using equals");

}

if (one == var1){

System.out.println ("String one equals var1 using ==");

}

if (two.equalsIgnoreCase(var2)){

System.out.println ("String two equals var2 using equalsIgnoreCase");

}

System.out.println("Trying to use == on Strings that are pieced together");

String piecedTogether = pieceone + piecetwo;

if (one.equals(piecedTogether)){

System.out.println("The strings contain the same value using equals");

}

if (one == piecedTogether) {

System.out.println("The string contain the same value using == ");

}

if (one.compareTo(var1) == 0){

System.out.println("One is equal to var1 using compareTo()");

}

System.out.println("Comparision Using regionMatches");

String sentence = "Java 8 is great!";

String matchStr = "great";
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编辑于 2020-03-26 09:23:272020-03-26 09:23:27

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