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- public ListNode removePertama() {
- if(!isEmpty()) {
- ListNode bantu = pertama;
- pertama = pertama.getKanan();
- return bantu;
- }
- else {
- return null;
- }
- }
- public ListNode removeTerakhir() {
- if(!isEmpty()) {
- ListNode bantu = pertama;
- while (bantu.getKanan()!=terakhir) {
- bantu = bantu.getKanan();
- }
- terakhir = bantu;
- bantu = bantu.getKanan();
- terakhir.setKanan(null);
- return bantu;
- }
- else {
- return null;
- }
- }
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