Question

我想让代码将for循环输出到列中，而不仅仅是在一列中直接向上和向下输出，但是三个for循环中的每一个中的每个int都会使列从左到右。

import java.util.Scanner;

public class Project4 {
    public static void main(String [] args) {
        final int number_months = 12;
        int [] avgTemp = {46, 48, 49, 50, 51, 53, 54, 55, 56, 55, 51, 47};
        int [] avgRain = {5, 3, 3, 1, 1, 0, 0, 0, 0, 1, 3, 4};
        int [] newGrowth;

        newGrowth = new int[number_months];

        Scanner scan = new Scanner(System.in);

        System.out.print("Enter minimum temperature for plant : ");
        int min_plant_temp = scan.nextInt();

        System.out.print("Enter maximum temperature for plant : ");
        int max_plant_temp = scan.nextInt();

        System.out.print("Enter minimum rainfall for plant : ");
        int min_rainfall_for_plant = scan.nextInt();

        System.out.println("Month" + "   " + "Temp" + "   " + "Rain" + "  " + "Growth" + "  " + "Plant Height");
        for (int j=0; j<number_months; j++) {
            System.out.println(j);}
        for (int i = 0; i < avgTemp.length; i++) {
            System.out.println(avgTemp[i]);
        }
        for (int k = 0; k < avgRain.length; k++) {
            System.out.println(avgRain[k]);
        }
        {
        }

        System.out.println();
    }
}

我想让上面的代码打印出月份临时降雨等列中的信息....但是它从上到下以直线而不是列的形式输出。

Answer 1

您应该使用System.out.print（）而不是System.out.println（）; println（）会打印到下一行，而print（）会将其打印到右边而不是下一行。它应该像魔术一样工作。注意：记得添加空格，以便每个循环不会堆叠在一起。示例System.out.print（j +＆＃34;＆＃34;）;

注意：我认为你想要实现的是这样的

System.out.println("Month" + "   " + "Temp" + "   " + "Rain" + "  " + "Growth" + "  " + "Plant Height");
    for (int j=0; j<number_months; j++) {
        System.out.print(j+1 +" "); //since there is no 0 month. therefore you add 1 into j.
        System.out.print(avgTemp[j] + " ");
        System.out.print(avgRain[j] + " ");
        //System.out.print(newGrowth + " "); //after you determine what it is, this variable is not set yet.
        //System.out.print(plantHeight + " "); //after you determine what it is, this variable is not defined yet.
        System.out.println(); //after all rows are print, print this to set to the next line.
    }

列For

1 个答案: