What is the command used to retrieve the java files along with the string existence “Hello World" in it? (A) Find [PATH] -name “*.java" -v xargs -i "Hello World" (B) Find [PATH] -file "*.java" xargs -i "Hello World" (C) Find [PATH] (D) Find [PATH] -file “*.java" Is -1 xargs grep -i “Hello World" --name “*.java" xargs grep -i “Hello World"

What is the command used to retrieve the java files along with the string existence “Hello World" in it? (A) Find [PATH] -name “.java" -v xargs -i "Hello World" (B) Find [PATH] -file ".java" xargs -i "Hello World" (C) Find [PATH] (D) Find [PATH] -file “.java" Is -1 xargs grep -i “Hello World" --name “.java" xargs grep -i “Hello World"

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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Write a Java program that reads from a URL and searches for a given word in the URL and creates a statistic file as an output. The statistic file needs to include some information from the URL. URL address Number of words in the URL page Number of repetitions for a given word displays the number of times the word appears. You need to have two functions, one for reading from the URL and the other function for searching the word.
Lab Tasks – complete these Use the information provided here, in the slideshow and in chapter 12 of our text to do the following exercise. Step 1: On the desktop or wherever you will be saving your java program, use notepador other basic text editor (NOT WORD) to create a .txt file. In this file, type out a list of 10 integers (one on each line or with a space between each). Save. Do this manually. Not with Java. Step 2. Now write a program with the following: 1) In the program creating a File object that connects to the .txt file that you just created. 2) Add code that will check if the file exists and if it doesn’t, it will create it. (Yes, we know it definitely exists but do this part anyway.) 3) Set up a Scanner so that you can read the values from the file and print them to the screen using a loop. You will probably need to use the .hasNext() method. Also, you may want to set up a counter to keep track of how many values there are for future use. (Note that the .length()…
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