CAN SOMONE EXPLAIN THIS TO ME? When going through a section, try the Self-check exercises. The solutions are given at the end of each chapter.1. Determine the output from the following program:public static void main (String[] zzz) {int result = comp (4, 2);out.println ("Result} // end mainOutputcomp ( 4, 2) calledcomp (3, 2) calledcomp (2, 2) calledcomp (2, 1) called" + result);%3Dcomp (1, 1) calledcomp (1, 0) calledcomp (3, 1) calledcomp (2, 1) calledcomp (1, 1) calledstatic int comp (int n, int k) {out.println ("comp (" + n + ", " + k + ") called");if ( (n ==k) || (k == 0) )return 1;int a = comp (nint b = comp (nreturn a + b;} // end compThe tree diagram of recursive calls1, k);comp (1, 0) calledcomp (2, 0) called1, k1);Resultcomp(4, 2)↑6comp(3, 2)↑3comp(3, 1)↑3comp(2, 2)↑1comp(2, 1)↑2comp(2, 1)↑2comp(2, 0)↑1comp(1, 1)↑1 comp(1, 0)↑1 comp(1, 1)↑1 comp(1, 0)↑1

Answered: Image /qna-images/answer/b86cc04e-3797-4791-9db0-9707ee9ec9df.jpg

When going through a section, try the Self-check exercises. The solutions are given at the end of each chapter. 1. Determine the output from the following program: public static void main (String[] zzz) { int result = comp(4, 2); out.println ("Result = " + result); } // end main Output comp (4, 2) called comp (3, 2) called comp (2, 2) called comp (2, 1) called comp (1, 1) called comp (1, 0) called comp (3, 1) called comp (2, 1) called comp (1, 1) called comp (1, 0) called comp (2, 0) called Result = 6 static int comp(int n, int k) { out.println("comp(" + n + ", " + k + ") called"); if ( (n == k) || (k 0) ) == return 1; int a = comp (n int b = comp (n - 1, k - 1); return a + b; } // end comp 1, k); The tree diagram of recursive calls comp(4, 2)↑6 comp(3, 2)↑3 comp(3, 1)↑3 comp(2, 2)↑1 comp(2, 1)↑2 comp(2, 1)↑2 comp(2, 0)↑1 comp(1, 1)↑1 comp(1, 0)↑1 comp(1, 1)↑1 comp(1, 0)↑1

When going through a section, try the Self-check exercises. The solutions are given at the end of each chapter. 1. Determine the output from the following program: public static void main (String[] zzz) { int result = comp(4, 2); out.println ("Result = " + result); } // end main Output comp (4, 2) called comp (3, 2) called comp (2, 2) called comp (2, 1) called comp (1, 1) called comp (1, 0) called comp (3, 1) called comp (2, 1) called comp (1, 1) called comp (1, 0) called comp (2, 0) called Result = 6 static int comp(int n, int k) { out.println("comp(" + n + ", " + k + ") called"); if ( (n == k) || (k 0) ) == return 1; int a = comp (n int b = comp (n - 1, k - 1); return a + b; } // end comp 1, k); The tree diagram of recursive calls comp(4, 2)↑6 comp(3, 2)↑3 comp(3, 1)↑3 comp(2, 2)↑1 comp(2, 1)↑2 comp(2, 1)↑2 comp(2, 0)↑1 comp(1, 1)↑1 comp(1, 0)↑1 comp(1, 1)↑1 comp(1, 0)↑1

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

Problem 1PE

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