5.1 String类
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21
src/chapter5/Example01.java
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21
src/chapter5/Example01.java
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package chapter5;
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public class Example01 {
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public static void main(String[] args) {
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// 1、创建一个空的字符串
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String str1 = new String();
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// 2、创建一个内容为abcd的字符串
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String str2 = new String("abcd");
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// 3、创建一个内容为字符数组的字符串
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char[] charArray = new char[]{'D', 'E', 'F'};
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String str3 = new String(charArray);
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// 4、创建一个内容为字节数组的字符串
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byte[] arr = {97, 98, 99};
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String str4 = new String(arr);
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System.out.println("a" + str1 + "b");
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System.out.println(str2);
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System.out.println(str3);
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System.out.println(str4);
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}
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}
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