Exercises

The method skeleton below takes in an integer variable top.
Using a for loop, write a method that will return the sum of all numbers from...

Complete the following linear search method. Find the number search in the array numbers. If the number is found, return the index for...

Complete the following contains method so it returns true if the value being searched is found in the array, or false otherwise. You must...

Complete the following linear search method. Find the number search in the array numbers. If the number is found, return the index for...

Complete the following linear search method. Find the string search in the array words. If the string is found, return the index for the...

At the heart of test-driven development is writing ___.

Consider a linear search as shown below.

int linearSearch(int w, int[] num) { // linear search code here } 

Assume you call this method...

Binary search is a more efficient search than linear search. Which one of these is true?

What is wrong with this code?

String x; if (x.length() > 0) System.out.println("Hello "+x); 

What does this code do?

int nums[] = {}; System.out.println(nums.length); 

Write a method replaceSpaceUnderscore that replaces all spaces with _ (underscores) in the String sentence.

Complete the method countTimesContains that returns the number of times the array words contains the word stored in searchW. Remember to...

Write a method searchInLastN that implements a linear search but only looks for values in the last positions, determined by the parameter...

Railroad diagrams, also known as syntax diagrams, are a visual way to represent the grammar of a programming language. To use it, you...

Railroad diagrams, also known as syntax diagrams, are a visual way to represent the grammar of a programming language. To use it, you...

Railroad diagrams, also known as syntax diagrams, are a visual way to represent the grammar of a programming language. To use it, you...

Railroad diagrams, also known as syntax diagrams, are a visual way to represent the grammar of a programming language. To use it, you...

How many times does the loop execute? That is, how many times is hello() called?

for(;;) hello(); } 

How many times does the loop execute? That is, how many times is hello() called?

for (int i = 0; i < 5; i++) hello(); } 

How many times does the loop execute? That is, how many times is hello() called?

for (int i = 0; !done(); i++) { hello(); } 

How many times does the code below calls greetings()?

for (int i = 0; i < 10; i++) hello(); greetings(); } 

Given an array of ints, return the POSITION (i.e., the index) of smallest value in the array. Assume the array has only posivitive...

Given an array of ints, return the first value in the array. You may assume the array has at least one value.

Given an array of ints, return the last value in the array. You may assume the array has at least one value.

Given an array of ints, return true if all values in the array are even values. This routine should return false if at least one value is...