Java Day8

import java.util.Scanner;
public class Homework1 {

	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int []num=new int[6];
		int sum=0;
		for (int i = 0; i < 6; i++) {
			System.out.print("请输入第"+(i+1)+"年的录取分数：");
			num[i]=sc.nextInt();
			sum=sum+num[i];
		}
		int min=num[0];
		int len=num.length;
		for (int i = 0; i < len; i++) {
			if(num[i]
				min=num[i];
			}
		}
		System.out.print("最低分为："+min);
		System.out.print("平均分为"+(sum/6));

	}

}

有一个数列：8，4，2，1，23，344，12
(1)循环输出数列的值
(2)逆序（与原数列顺序相反）输出数列的值
(3)求数列中所有数值的和
(4)猜数游戏：从键盘中任意输入一个数据，判断数列中是否包含此数

import java.util.Scanner;
public class Homework2 {
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int sum=0;
		int []num= {8,4,2,1,23,344,12};
		for (int i = 0; i < num.length; i++) {
			System.out.print(num[i]+" ");
		}
		System.out.println();
		for (int i = 6; i >=0; i--) {
			System.out.print(num[i]+" ");
		}
		System.out.println();
		for (int i = 0; i < num.length; i++) {
			sum=sum+num[i];
		}
		System.out.print(sum);
		System.out.println();
		System.out.print("请输入一个数字：");
		int a=sc.nextInt();
		boolean flag=false;//true 包含  false  不包含
		for (int i = 0; i < num.length; i++) {
			if(num[i]==a) {
				flag=true;
				break;
			}
		}
		if(flag) {
			System.out.print("包含"+a);
		}else {
			System.out.print("不包含"+a);
		}
	}
}

public class Homework3 {
	public static void main(String[] args) {
		int []num= {67,90,-20,105,88,92};
		for (int i = 0; i < num.length; i++) {
			if(num[i]<0) {
				num[i]=0;
			}
			if(num[i]>100) {
				num[i]=100;
			}
		}
		for (int i = 0; i < num.length; i++) {
			System.out.print(num[i]+" ");
		}
		
	}
}

对于两个整数数组，如果长度相同，且每个元素也都相同，我们就认为这两个数组相同。

public class Homework4 {
	public static void main(String[] args) {
		int[] num1= {1,3,5};
		int len1=num1.length;
		int[] num2= {1,3,5};
		int len2=num2.length;
		boolean flag=false; //true 相同  false 不同
		for (int i = 0; i < len1; i++) {
			if(num1[i]==num2[i]&&len1==len2) {
				flag=true;
			}else {
				flag=false;
				break;
			}
		}
		if(flag) {
			System.out.print("数组相同");
		}else {
			System.out.print("数组不同");
		}
		
	}
}

public class Homework5 {
	public static void main(String[] args) {
		int[] a= {3,3,3,3,3};
		int sum=0;
		for (int i = 0; i < a.length; i++) {
			sum=0;
			for (int j = i+1; j < a.length; j++) {
				if(a[j]==a[i]) {
				sum++;
				}else {
					break;
				}
			}
			if(sum==3) {
				break;
				}
		}
		if(sum==3) {
			System.out.print("有4个连续相同的数");
		}else {
			System.out.print("没有4个连续相同的数");
		}
		
	}
}