import java.util.ArrayList;
class ChangeWords {
	public static void changeWords(char[] word1,String word2) {
		System.out.println(word1);
		for(int i = 0; i < word2.length();++i) {
			word1[i] = word2.charAt(i);
			System.out.println(word1);
		}
	}
 
	public static void main(String[] args) {
		System.out.println("Input Output 1.)");
		changeWords("a fall to the floor".toCharArray(),"braking the door in");
		System.out.println();
		System.out.println();
		System.out.println("Input Output 2.)");
		changeWords("wood".toCharArray(),"book");
		System.out.println();
		System.out.println();
		System.out.println("Input Output 2.)");
		changeWords("floor".toCharArray(),"brake");
		System.out.println();
		System.out.println();
	}
}

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