Shorten array length once element is remove in Java

Question

Note: Following is my homework/assignment, feel free not to answer if you will.

I want to delete/remove an element from an String array(Set) basic, I\'m not allowe

Answer 1

void remove(String newValue) {
    if(setElements.length == 0) return;
    String [] array = new String[setElements.length-1];
    int j = 0;
    for ( int i = 0; i < setElements.length; i++) {
       if ( setElements[i] != newValue ) {
            array[j++] = setElements[i];
       }
    }
    setElements = array;
}