import java.util.Scanner; public class practise { public static void main(String[] args) { //创建Scanner类对象 Scanner input = new Scanner(System.in); System.out.println("请随机输入三个整数"); int enterNumA = input.nextInt(); int enterNumB = input.nextInt(); int enterNumC = input.nextInt(); //单独调用maxNumber方法 maxNumber(enterNumA,enterNumB,enterNumC); } //创建maxNumber方法 public static int maxNumber(int numA ,int numB,int numC){ //使用三元运算符进行比较 int max; max = numA > numB?numA:numB; max = max >numC?max:numC; System.out.println("maxNumber = " +max); return max; } }