02 2024 档案
摘要：public class Test { public static void main(String[] args) { int intValue=100; long longValue=intValue; double doubleValue=1234567890; float floatValu
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摘要：// An addition program import javax.swing.JOptionPane; // import class JOptionPane public class Addition { public static void main( String args[] ) {
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摘要：运行EnumTest.java public class EnumTest { public static void main(String[] args) { Size s=Size.SMALL; Size t=Size.LARGE; //s和t引用同一个对象？ System.out.printl
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摘要：public class TestDouble { public static void main(String args[]) { System.out.println("0.05 + 0.01 = " + (0.05 + 0.01)); System.out.println("1.0 - 0.4
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