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Java 为什么main不能接收我返回的int值_Java_Return - Fatal编程技术网

Java 为什么main不能接收我返回的int值

Java 为什么main不能接收我返回的int值,java,return,Java,Return,因此,当我编译这个Eclipse时,Insertionct和Shakerct的数字是0,并打印出一个平局。我知道这两种方法都正确排序,但出于某种原因,它不会返回它们对main进行的比较量,以决定哪一种方法对数组排序更快。提前谢谢你的帮助 import java.io.*; import java.util.*; public class Sorts { private static Scanner in; public static void main(String[] a

因此,当我编译这个Eclipse时,Insertionct和Shakerct的数字是0,并打印出一个平局。我知道这两种方法都正确排序,但出于某种原因,它不会返回它们对main进行的比较量,以决定哪一种方法对数组排序更快。提前谢谢你的帮助

import java.io.*;
import java.util.*;

public class Sorts {

    private static Scanner in;

    public static void main(String[] args) throws Exception {

        in = new Scanner(System.in);
        System.out.print("How many strings will you be entering? ");
        int sz = Integer.parseInt (in.nextLine());

        String[] A = new String[sz];
        String[] B = new String[sz];

        for (int i = 0; i < sz; i++){
            System.out.print ("Enter String #"+(i+1)+":  ");
            A[i] = in.nextLine();// sets the array at i equal to a string
            B[i] = A[i]; // sets array B to the same as array A so I can use it in the shaker sort method
        }

        int Insertionct = 0;
        int Shakerct = 0;

        System.out.println(Insertionct);
        System.out.println(Shakerct);

        if (Shakerct > Insertionct) {
            System.out.println("Insertion Sort was faster!");
        } else if (Shakerct < Insertionct) {
            System.out.println("Shaker Sort was faster!");
        } else {
            System.out.println("It was a tie");
        }

    }
    public static int InsertionSort (int Insertionct, String[] A) throws Exception { //sorts the array of strings with the insertion sort.
        // initializes the count variable
        int sz = A.length; // sets size equal toe array A
         for (int i = 0; i < sz-1; i++)
           for (int j = i; j >= 0 && A[j].compareTo (A[j+1]) > 0; j--) {
            Insertionct++;
            String t = A[j];  //switch A[j], A[j+1]
            A[j] = A[j+1];
            A[j+1] = t;
           }
         return Insertionct;
    }

    public static int ShakerSort (int Shakerct, String[] B) throws Exception {//Uses the ShakerSort in order to order the array.
        int sz = B.length;
        for (int i = 0; i < sz; i++){
            int nsct = 0;
            for(int j = nsct+sz-1; j > i; j--){//runs through the array backwards and then swaps if it needs to
                Shakerct++;
                if (B[j].compareTo(B[j-1]) < 0) {
                    nsct = 0;
                    String t = B[j];
                    B[j] = B[j-1];
                    B[j-1] = t;
                } else {
                    nsct++; // if no swap happens it increases no swap to increment the starting points.
                }
            }
        for (int j = nsct; j > sz-i-1; j++){
            if (B[j].compareTo(B[j+1]) > 0){//runs through the array going forward swaps if needed
                Shakerct++;
                nsct = 0;
                String t = B[j];
                B[j] = B[j+1];
                B[j+1] = t;
            } else {
                nsct++;// increases no-swap count if no swap happens and changes the starting point.
                }
            }
        }
        return Shakerct;
    }
}
import java.io.*;
导入java.util.*;
公共类分类{
专用静态扫描仪;
公共静态void main(字符串[]args)引发异常{
in=新扫描仪(System.in);
System.out.print(“您将输入多少字符串?”);
int sz=Integer.parseInt(in.nextLine());
字符串[]A=新字符串[sz];
字符串[]B=新字符串[sz];
对于(int i=0;iInsertionct){
System.out.println(“插入排序更快!”);
}否则如果(Shakerct=0&&A[j]。比较(A[j+1])>0;j--){
Insertionct++;
字符串t=A[j];//开关A[j],A[j+1]
A[j]=A[j+1];
A[j+1]=t;
}
返回Insertionct;
}
公共静态int-ShakerSort(int-Shakerct,String[]B)引发异常{//使用ShakerSort对数组进行排序。
int sz=B.长度;
对于(int i=0;ii;j--){//向后遍历数组,然后在需要时交换
Shakerct++;
如果(B[j]),比较(B[j-1])<0{
nsct=0;
字符串t=B[j];
B[j]=B[j-1];
B[j-1]=t;
}否则{
nsct++;//如果未发生交换,则增加no swap以增加起点。
}
}
对于(int j=nsct;j>sz-i-1;j++){
如果(B[j].compareTo(B[j+1])>0{//在需要时通过数组进行正向交换
Shakerct++;
nsct=0;
字符串t=B[j];
B[j]=B[j+1];
B[j+1]=t;
}否则{
nsct++;//如果不发生交换,则增加不交换计数并更改起点。
}
}
}
返回振动筛RCT;
}
}

您不在
main
中调用
InsertionSort
ShakerSort

您不在
main
中调用
InsertionSort
ShakerSort