摘要：
package operator; public class Demo04 { public static void main(String[] args) { text(); text2(); } public static void text() { int a = 10; int b = 20 阅读全文
摘要：
package operator; public class Demo03 { public static void main(String[] args) { text(); text2(); text3(); } public static void text3(){ //位运算 /* A = 阅读全文
摘要：
package operator; public class Demo02 { public static void main(String[] args) { text0(); text(); text2(); text3(); } public static void text3(){ bool 阅读全文
摘要：
package operator; public class Demo01 { public static void main(String[] args) { int a=10; int b=20; int c=30; int d=40; System.out.println(a+b);//30 阅读全文
摘要：
package base; public class Demo01 { String name; int age; final static Double Pi=3.1415962; final Double score=99.0; public static void main(String[] 阅读全文