Question

I need help with these java codingbat questions please:

Create a method that creates a user id, where the user id is made up of the first letter of the first name and the entire last name. e.g. john smith ->jsmith getUserld("bill", "gates")-"bgates" getUserId("steve", "jobs")"sjobs" getUserId("larry", "page") -"lpage" Go Save, Compile, Run (ctrl-enter) public String getUserId( String firstName, String lastName)

Answer 1

public String getUserId(String firstName, String lastName) {
    return firstName.charAt(0) + lastName;
}

public int[] getNumArray(int num) {
    int[] arr = new int[num];
    for(int i = 0; i < num; ++i) {
        arr[i] = i+1;
    }
    return arr;
}

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