QUESTION 4 4.1 Write a complete Java program called Queue1 for the following plan: (20) (10) Plan: 1. Create a queue ql 2. Add(3*4) 3. Add(7+8) 4. Remove() 5. Add(6*7) 6. Print Peek() 7. Remove() 8. Add(*3) 9. Print queue 4.2 Write a complete Java program called Display that includes a String array called names[]. The array names[] (10) must store 5 names and this should be output using a loop structure