public int getIndexOfWord(String[] arr, String word){ // if found, return the index of word, otherwise return...

public int getIndexOfWord(String[] arr, String word){
// if found, return the index of word, otherwise return -1

}

public boolean areArrays(int[] arr1, int[] arr2){
// 1. initial check: both arrays need to have the same length, return false if not the same
// 2. return true if both given arrats are equals(same values in the same indices), false otherwise

}

public boolean areArraysEqual(String[] arr1, String[] arr2){
// 1. initial check: both arrays need to have the same length, return false if not the same
// 2. return true if both given arrays are equals(same values in the same indices), false otherwise

}

Solutions

Expert Solution

public int getIndexOfWord(String[] arr, String word) {
        for (int i = 0; i < arr.length; i++) {
            if (arr[i].equals(word))
                return i;
        }
        return -1;

    }

    public boolean areArrays(int[] arr1, int[] arr2) {
        if (arr1.length != arr2.length)
            return false;
        for (int i = 0; i < arr1.length; i++)
            if (arr1[i] != arr2[i])
                return false;
        // 1. initial check: both arrays need to have the same length, return false if
        // not the same
        // 2. return true if both given arrats are equals(same values in the same
        // indices), false otherwise
        return true;
    }

    public boolean areArraysEqual(String[] arr1, String[] arr2) {
        // 1. initial check: both arrays need to have the same length, return false if
        // not the same
        // 2. return true if both given arrays are equals(same values in the same
        // indices), false otherwise
        if (arr1.length != arr2.length)
            return false;
        for (int i = 0; i < arr1.length; i++)
            if (!arr1[i].equals( arr2[i]))
                return false;
        // 1. initial check: both arrays need to have the same length, return false if
        // not the same
        // 2. return true if both given arrats are equals(same values in the same
        // indices), false otherwise
        return true;

    }

venereology answered 1 year ago

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