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条件语句 public class Test { public static void main(String args[]){ int x = 10; if( x < 20 ){ System.out.print("这是 if 语句"); } } } public class Test { pub 阅读全文
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公有私有 public class ClassName { // ... } private boolean myFlag; static final double weeks = 9.5; protected static final int BOXWIDTH = 42; public stati 阅读全文
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温故知新 public class Test { public static void main(String[] args) { int x = 10; while( x < 20 ) { System.out.print("value of x : " + x ); x++; System.ou 阅读全文
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完善了一下增删改查; package dailysummer; import java.sql.DriverManager;import java.sql.Connection; public class Main { public void write(String title,String co 阅读全文