Each time you create a string literal, the JVM checks the "string constant pool" first. If the string already exists in the pool, a reference to the pooled instance is returned. If the string doesn't exist in the pool, a new string instance is created and placed in the pool. For ex...
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int clientLen = clientIS.read(clientByte); System.out.println("静儿:"+new String(clientByte,0,clientLen)); if("再见".equals(clientStr) || "over".equalsIgnoreCase(clientStr)){ clientBL = false; } clientIS.close(); clientOS.close(); } //server.close(); } } 1. 2. 3. 4. 5. ...
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TOTP 算法 java 实现 javatpoint Java中的transient,volatile和strictfp关键字 如果用transient声明一个实例变量,当对象存储时,它的值不需要维持。例如: Java代码 class transient int a; //不需要维持 int b; //需要维持 } 这里,如果T类的一个对象写入一个持久的存储区域,a的内容不被保存,但b的将被保存。
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docker pull apachecn0/javatpoint-prog-zh docker run -tid -p <port>:80 apachecn0/javatpoint-prog-zh# 访问 http://localhost:{port} 查看文档 PYPI pipinstalljavatpoint-prog-zhjavatpoint-prog-zh<port># 访问 http://localhost:{port} 查看文档 ...
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可变参数的添加 (e.g. void drawtext(String... lines)); Enhanced for each loop: the for loop syntax is extended (specified by JSR 201) 遍历for循环,使用在数组,可迭代对象 Improved semantics of execution for multi-threaded Java programs; ...