Question

有人可以帮我吗...刚开始java .. :( 如何根据给定的最小输入值，最大输入值和递增值显示所有可能的值？

例如：最小值：1 最大值：10 增量值：2

结果将是：1,3,5,7,9

这是我到目前为止所得到的......

public class DisplayIncrement {
public static void main(String []args){

    int min, max, increment;

    Scanner in = new Scanner(System.in);

    System.out.println("Enter min value: ");
    in.nextInt();
    System.out.println("Enter max value: ");
    in.nextInt();
    System.out.println("Enter increment value: ");
    in.nextInt();

    int i;
    for(i=0; i<=10; i+=2){
    System.out.println(i);
    }
}

}

Answer 1

一些注释：

1- in.nextInt();从用户读取一个整数，阻塞直到用户在控制台中输入一个整数并按 ENTER 。必须保存结果整数才能在以后使用它，并将其保存到变量中，如下所示：

int value = in.nextInt();

在您的代码中，您需要将用户输入的3个整数分配给相应的变量：

System.out.println("Enter min value: ");
min = in.nextInt();
System.out.println("Enter max value: ");
max = in.nextInt();
System.out.println("Enter increment value: ");
increment = in.nextInt();

2-您正在很好地实现循环，但您只需要使用用户的输入而不是使用显式整数：

for(int i = min; i <= max; i += increment)
{
    System.out.println(i);
}

Answer 2

    System.out.println("Enter min value: "); 
 int minVal =  in.nextInt(); 
    System.out.println("Enter max value: "); 
   int maxVal =  in.nextInt(); 
    System.out.println("Enter increment value: "); 
 int increment = in.nextInt(); 

for(i=minVal; i<=maxVal; i+=incremement){ 
    System.out.println(i); 
    }

Answer 3

首先，你声明了所需的整数，但实际上并没有使用它们。

因此，当您调用方法in.nextInt();时，您实际上是“获取”一个整数。因此，您可以将整数min，max和increment设置为该方法。像这样，

 System.out.println("Enter min value: ");
min = in.nextInt();
    System.out.println("Enter max value: ");
   max = in.nextInt();
    System.out.println("Enter increment value: ");
  increment =  in.nextInt();

因此，对于完整的答案，这样的事情应该有效。

public class DisplayIncrement {
public static void main(String []args){

    int min, max, increment;

    Scanner in = new Scanner(System.in);

    System.out.println("Enter min value: ");
   min = in.nextInt();
    System.out.println("Enter max value: ");
   max = in.nextInt();
    System.out.println("Enter increment value: ");
  increment =  in.nextInt();


    for(int i=min; i<=max; i+=increment){
    System.out.println(i);
    }
}

Answer 4

 public class DisplayIncrement {
public static void main(String []args){

int min, max, increment;

Scanner in = new Scanner(System.in);

System.out.println("Enter min value: ");
int min=in.nextInt();
System.out.println("Enter max value: ");
int max=in.nextInt();
System.out.println("Enter increment value: ");
int inc=in.nextInt();

int i;
for(i=min; i<max; i+=inc){
    System.out.println(i);
}
}   
}

Answer 5

代码中的缺陷很明显但是......

public class DisplayIncrement {
   public static void main(String []args) {

   int min, max, increment;
   Scanner in = new Scanner(System.in);
   System.out.println("Enter min value: ");
   min = in.nextInt();
   System.out.println("Enter max value: ");
   max = in.nextInt();
   System.out.println("Enter increment value: ");
   increment = in.nextInt();

   for(int i = min; i <= max; i += increment)
      System.out.println(i);
   }   
}

Answer 6

 public class DisplayIncrement {

public static void main(String []args){

int min, max, increment;

Scanner in = new Scanner(System.in);

System.out.println("Enter min value: ");
  min =  in.nextInt();
System.out.println("Enter max value: ");
 max =   in.nextInt();
System.out.println("Enter increment value: ");
 increment =  in.nextInt();

for(; min<=max; min+=increment ){
System.out.println(min);
}
}   

 }

Answer 7

public static void main(String []args){

int min, max, increment;

Scanner in = new Scanner(System.in);

System.out.println("Enter min value: ");
int minval=in.nextInt();
System.out.println("Enter max value: ");
int maxval=in.nextInt();
System.out.println("Enter increment value: ");
int incr=in.nextInt();

int i;
for(i=minval; i<=maxval;i+=incr){
System.out.println(i);
}

}

Answer 8

不要忘记最后关闭扫描仪。

import java.util.Scanner;
public class DisplayIncrement{

public static void main(String[] args) {

    int min, max, increment;

    Scanner in = new Scanner(System.in);

    System.out.println("Enter min value: ");
    min = in.nextInt();
    System.out.println("Enter max value: ");
    max = in.nextInt();
    System.out.println("Enter increment value: ");
    increment = in.nextInt();

  //for(initial value; condition; increment/decrement)
    for(int i=min; i <=max; i+= increment){
    System.out.println(i);
    }
        in.close();
}

}

Java：将两个输入的整数递增2

8 个答案: