Practice30.java

package fiftypratice;

import java.util.Scanner;

/**
 * 题目：有一个已经排好序的数组。现输入一个数，要求按原来的规律将它插入数组中。    
 * */
public class Practice30 {

	public static void main(String[] args) {
         int arr[]={1,5,6,7,10,15};
         int i=0;
          System.out.println("Please input a number:");
          Scanner s=new Scanner(System.in);
          int a=s.nextInt();
          if(s!=null){
        	  s.close();
          }
          int newArr[]=new int[arr.length+1];
          if(a>=arr[arr.length-1]){
        	  newArr[arr.length]=a;
        	  for( i=0;i<arr.length;i++){
        		  newArr[i]=arr[i];
        	  }
          }else {
        	  for( i=0;i<arr.length;i++){
        		  if(a>=arr[i]){
        			  newArr[i]=arr[i];
        		  }
        		  else {
        			  newArr[i]=a;
        			  break;
        		  }
        		  }
        	  for(int j=i+1;j<newArr.length;j++){
        		  newArr[j]=arr[j-1];
        	  }
        	  }
          for( i=0;i<newArr.length;i++){
        	  System.out.print(newArr[i]+" ");
          }
		/*int[] a = new int[]{1, 2, 6, 14, 25, 36, 37,55};
		   int[] b = new int[a.length+1];
		   //int t1 =0, t2 = 0;                                           
		   int i =0;
		   Scanner s= new Scanner(System.in);
		   System.out.print("请输入一个整数：");
		   int num = s.nextInt();
		   if(num >= a[a.length-1]) {
		    b[b.length-1] = num;
		    for(i=0; i<a.length; i++) {
		     b[i] = a[i];
		    }
		   } else {
		    for(i=0; i<a.length; i++) {
		     if(num >= a[i]) {
		      b[i] = a[i];
		     } else {     
		      b[i] = num;
		      break;
		     }
		    }
		    for(int j=i+1; j<b.length; j++) {
		     b[j] = a[j-1];
		    }
		   }
		   for (i = 0; i < b.length; i++) {
		    System.out.print(b[i] + " ");
		   }*/
	}

	

}