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31. Consider the following code segment and method salsa. ArrayList list = new ArrayList(); for (int k = 1; k <= 10; k++) list.add(k * 10); salsa(list,55,4); public static void salsa(ArrayList list, int a, int b) { list.add(b, a); } 31. What is the behavior of method salsa? Method salsa adds integer b at the end of the list. Method salsa adds integer a at the end of the list. Method salsa adds integer a at index b in the list. Method salsa adds integer b at index a in the list. Method salsa adds integer b after the element at index a in the list.

31. Consider the following code segment and method salsa. ArrayList list = new ArrayList(); for (int k = 1; k <= 10; k++) list.add(k * 10); salsa(list,55,4); public static void salsa(ArrayList list, int a, int b) { list.add(b, a); } 31. What is the behavior of method salsa? Method salsa adds integer b at the end of the list. Method salsa adds integer a at the end of the list. Method salsa adds integer a at index b in the list. Method salsa adds integer b at index a in the list. Method salsa adds integer b after the element at index a in the list.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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31. Consider the following code segment and method salsa. ArrayList<Integer> list = new ArrayList<Integer>>(); for (int k = 1; k <= 10; k++) list.add(k* 10); salsa(list,55,4); public static void salsa (ArrayList<Integer> list, int a, int b) { list.add(b, a); } 31. What is the behavior of method salsa? Method salsa adds integer b at the end of the list. Method salsa adds integer a at the end of the list. Method salsa adds integer a at index b in the list. Method salsa adds integer b at index a in the list. Method salsa adds integer b after the element at index a in the list.
Transcribed Image Text:31. Consider the following code segment and method salsa. ArrayList<Integer> list = new ArrayList<Integer>>(); for (int k = 1; k <= 10; k++) list.add(k* 10); salsa(list,55,4); public static void salsa (ArrayList<Integer> list, int a, int b) { list.add(b, a); } 31. What is the behavior of method salsa? Method salsa adds integer b at the end of the list. Method salsa adds integer a at the end of the list. Method salsa adds integer a at index b in the list. Method salsa adds integer b at index a in the list. Method salsa adds integer b after the element at index a in the list.
29. Consider the following code segment. ArrayList<Integer> list = new ArrayList<Integer>(); for (int k =1; k<= 20; k++) { O A int nbr= (int) (Math.random() * 90 + 10); list.add(nbr); B } for (int item: list) item = 99; (A) 30 84 50 21 17 38 39 60 29 91 51 90 78 32 72 29 21 37 48 52 (B) 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 (C) 30 84 50 21 17 38 39 60 29 91 51 90 78 32 72 29 21 37 48 52 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 O D for (int item : list) (D) 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 30 84 50 21 17 38 39 60 29 91 51 90 78 32 72 29 21 37 48 52 E System.out.print(item+ " "); (E) IndexOutOfBoundsException System.out.println(); 29. What is printed when the program is executed?
Transcribed Image Text:29. Consider the following code segment. ArrayList<Integer> list = new ArrayList<Integer>(); for (int k =1; k<= 20; k++) { O A int nbr= (int) (Math.random() * 90 + 10); list.add(nbr); B } for (int item: list) item = 99; (A) 30 84 50 21 17 38 39 60 29 91 51 90 78 32 72 29 21 37 48 52 (B) 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 (C) 30 84 50 21 17 38 39 60 29 91 51 90 78 32 72 29 21 37 48 52 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 O D for (int item : list) (D) 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 30 84 50 21 17 38 39 60 29 91 51 90 78 32 72 29 21 37 48 52 E System.out.print(item+ " "); (E) IndexOutOfBoundsException System.out.println(); 29. What is printed when the program is executed?
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