1、
public void compareNum(int numA, int numB) {
if (numA > numB) {
System.out.println("numA大于numB");
} else if (numA < numB) {
System.out.println("numA小于numB");
} else if (numA == numB) {
System.out.println("numA等于numB");
} else {
System.out.println("异常，输入不是数字");
}
}
2、
public void randomNum() {
int sum = 0;
for (int i = 0; i < 5; i++) {
int num = (int)(Math.random() * 100);
sum += num;
System.out.println(num);
}
System.out.println("合计：" + sum);
}
剩下的自己写，这么简单还要别人来，还要怎麽学习编程呢？
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