
Reverse a string in Java - Stack Overflow
I have "Hello World" kept in a String variable named hi. I need to print it, but reversed. How can I do this? I understand there is some kind of a function already built-in into Java that does th...
I am currently working on Turbo c++ to be precise on c language
Mar 12, 2021 · This is my program code: and the desired output is this (copied from https://www.javatpoint.com/c-gets-puts): and the output I am receiving is this I would be very ...
What is the use of initialize object through three different ways in ...
Feb 20, 2017 · What is the significance of using three different method for a single task. It's the same significance as any task in software development: there are often multiple ways of …
Defining field and its data type as a MAP in application.yaml
Oct 13, 2022 · Is it possible to define datatype for fields in application.yaml in spring boot? Eg: ingestiondata: NAME: String WEIGHT: Double DOB: Date Basically I want to externalize the …
In Spring Boot what is the difference between CrudRepository and ...
Apr 29, 2022 · when building respositories in spring, in my repository interface i extend it using the below extends CrudRepository<EntityName, EntityType> where EntityName is the name …
How to generate a WAR file for a Java project without Maven or …
Nov 18, 2022 · A WAR file is a ZIP file with filename suffix .war and a specific internal structure as shown by the link szeak has given to you. So compile your project, create an empty folder, …
What is the difference between JDK and JRE? - Stack Overflow
Dec 15, 2009 · The JRE is the Java Runtime Environment. It is a package of everything necessary to run a compiled Java program, including the Java Virtual Machine (JVM), the …
android - Beginning Programming: How do I pass an ArrayAdapter …
Sep 12, 2020 · I am trying to understand what other alternative I have if I can't write this code: arrayAdapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1,bluetoothDevices); …
Differences between Runtime/Checked/Unchecked/Error/Exception
Apr 23, 2015 · What are the Runtime exceptions and what are Checked/Unchecked Exceptions and difference between Error/Exception.Why these many types? Instead Java may simply …
Do I need to set java JDK path in user variables or system variables ...
Aug 11, 2020 · Now I saw in javaTpoint tutorial that they were setting the path in user variables didn't create any JAVA_HOME variable. So my question is what is the difference between the …