in java how do i debug this

TE 85 File Edit Source Refactor Navigate Search Project Run Window Help 19 ,, *ArrayST.java X . Queue.java Stdin.java 75 76 } 77 78@ public Iterable keys() { 79 80 Queue queue = new Queue(); 81 82 for (int i = 0; i) queue; 87 88 } 89 98 H/ remove given key (and associated value) 91 92- public void delete(key key) { 93 94 for (int i = 0; i keys() { 79 80 Queue queue - new Queue(); 81 82 for (int i = 0; i <>