Using insertion sorting to insert some elements, every time inserts one value to the sorted array.

sortedInsert.java

public void insert(int rand){
		int cur = rand;
		int j = num-1;
		while(j>=0&&randNum[j]>cur){
			randNum[j+1]=randNum[j--];
		}
		randNum[j+1]=cur;
		num++;
	}