[Java]Codingbat-> Array-2 -> twoTwo

twoTwo.java

public boolean twoTwo(int[] nums) {
  	int len =nums.length;
    boolean result = true;
    for(int i =0;i<len-1;i++){
		if(len<=1 && nums[0]!=2)return true;
        if(len>=2){
			if(nums[len-1]==2 && nums[len-2]!=2)result=false;
        }
        if(nums[i]==2 && nums[i+1]==2)result = true;
    }
    return result;
}