String字符串的构造方法
摘要:public String() 创建一个空字符串对象 1 String s = new String(); 2 System.out.println("s: " + s); public String(String original) 创建一个内容为original的字符串对象 1 String s
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posted @ 2020-12-27 18:29
posted @ 2020-12-27 18:29
posted @ 2020-12-27 18:18
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