本节课程将学习以下知识点:
源码:(请动手)
public class Demo01 {
public static void main(String[] args) {
int score = 60;
if (score >= 85 && score <= 100) {
System.out.println("优秀");
} else if (score > 75 && score <= 85) {
System.out.println("良好");
} else if (score >= 60 && score <= 75) {
System.out.println("中等");
} else if (score < 60) {
System.out.println("不及格");
} else if (score > 100 || score < 0) {
System.out.println("成绩不在正常范围内");
}
}
}
源码:(请动手)
public class Demo02 {
public static void main(String[] args) {
/**
* 'a' 代表 石头; 'b' 代表 剪刀; 'c' 代表 布;
*/
char play01 = 'a';
char play02 = 'b';
if (play01 == 'a' && play02 == 'a') {
System.out.println("平");
} else if (play01 == 'a' && play02 == 'b') {
System.out.println("play01赢");
} else if (play01 == 'a' && play02 == 'c') {
System.out.println("play02赢");
} else if (play01 == 'b' && play02 == 'a') {
System.out.println("play02赢");
} else if (play01 == 'b' && play02 == 'b') {
System.out.println("平");
} else if (play01 == 'b' && play02 == 'c') {
System.out.println("play01赢");
} else if (play01 == 'c' && play02 == 'a') {
System.out.println("play01赢");
} else if (play01 == 'c' && play02 == 'b') {
System.out.println("play02赢");
} else if (play01 == 'c' && play02 == 'c') {
System.out.println("平");
}
}
}