合并两个有序数组（归并排序）

package com.zyt.interview;

public class MergeSortArray {

    public static int[] sort(int[] a,int[] b){//a,b数组必须有序
        int merge[]=new int[a.length+b.length];

        int lenA=0,lenB=0,lenMer=0;

        while(lenA<a.length&&lenB<b.length){
            if(a[lenA]<b[lenB]){
                merge[lenMer++]=a[lenA++];
            }else{
                merge[lenMer++]=b[lenB++];
            }
        }
        while(lenA<a.length){
            merge[lenMer++]=a[lenA++];
        }

        while(lenB<b.length){
            merge[lenMer++]=b[lenB++];
        }

        return merge;
    }

    public static void main(String[] args) {
        int[] a={1,2,3,3,4,5};
        int[] b={7,8,8,9};
        int[] c=MergeSortArray.sort(a, b);
        for (int i : c) {
            System.out.print(i);
            System.out.print(" ");
        }

    }

}