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Installing java and setting up environment variables

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Installing Java Before installing java Check whether java is already installed in your system or not. Step 1: Open the command prompt Step 2: type javac -version or java -version If it shows an error that means java is not installed in your system. Otherwise it will display the version of java installed in your system. Now comes the installation part Step 1. Open the browser and search for java SE or click here to directly go to site. There will be different versions of Java SE including Java SE 15,Java SE 14, etc. but I have downloaded Java 15 which is the latest version of java. Note: The installation which we have seen in class lecture was of JDK 8u111 . Step 2. Click on the JDK download option. Step 3. Click the appropriate JDK file according to your system's configuration. Check the checkbox and click on the download button. Let's say for my system I downloaded windows x64 installer. Step 4. Once it is downloaded Install It as you install all other software. Step 5. Afte...
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GTU OOP Program - 10

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10). Write a test program that prompts the user to enter ten numbers, invoke a method to reverse the numbers, display the numbers. import java.util.Scanner; class Program_10 { public static void reverse(int list[]) { int temp; for (int i = 0, j = list.length - 1; i < list.length / 2; i++, j--) { temp = list[i]; list[i] = list[j]; list[j] = temp; } } public static void main(String[] args) { Scanner input = new Scanner(System.in); int numbers[] = new int[10]; // prompt the user to enter ten numbers System.out.print("Enter ten numbers : "); for (int i = 0; i < numbers.length; i++) { numbers[i] = input.nextInt(); } // Call reverse nethod to reverse the numbers reverse(numbers); // display the numbers System.out.print("Numbers in Reverse order are : "); for (int j : numbers) { ...
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GTU OS Program - 14 AWK program

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14. Write an awk program using function, which convert each word in a given text into capital. First of all what is awk ? Awk is a utility that enables a developer to write small but effective programs in the form of statments. Using awk we can scan a file line by line, transform data files, compare input lines to a defined pattern, etc. Complete code of the program read -p "Enter a lowercase String : " string echo "Resultant Upercase string is : " echo "$string" | awk '{print toupper($0)}' Interpreting the upper.sh file and executing it in terminal tkanu025@hp:~/lab_solutions$ chmod +x upper.sh tkanu025@hp:~/lab_solutions$ ./upper.sh Output Previous Program Next Program gtu os lab manual, os GTU Practical, operating system Programs, Operating system shellscript programs, Gtu study material 3140705, OS 3140702, os practical list, shell script programming, gtu os practical, ...
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