I know how to work out the index of a certain character or number in a string, but is there any predefined method I can use to give me the character at the nth position? So in the string "foo", if I

Jun 1, 2000 · I need to get the current timestamp in Java, with the format of MM/DD/YYYY h:mm:ss AM/PM, For example: 06/01/2000 10:01:50 AM I need it to be Threadsafe as well. Can I utilize …

Oct 22, 2010 · 142 Java is a statically typed language, so the compiler does most of this checking for you. Once you declare a variable to be a certain type, the compiler will ensure that it is only ever …

Mar 3, 2011 · in Java 8, calling java.time.LocalDateTime.now() and java.time.ZonedDateTime.now() will give you representations 2 for the current date / time. Prior to Java 8, most people who know about …

JAVA_HOME if you installed the JDK (Java Development Kit) or JRE_HOME if you installed the JRE (Java Runtime Environment). In the Variable Value field, enter your JDK or JRE installation path . …

Java 7+ In Java 1.7 or later, the standard way to do this (generate a basic non-cryptographically secure random integer in the range ) is as follows:

Jan 13, 2011 · 426 I need to know where JDK is located on my machine. On running Java -version in cmd, it shows the version as '1.6.xx'. To find the location of this SDK on my machine I tried using …

Mar 13, 2011 · I attempted to create a calculator, but I can not get it to work because I don't know how to get user input. How can I get the user input in Java?

Apr 21, 2012 · I'm new to java (& to OOP too) and I'm trying to understand about the class ArrayList but I don't understand how to use the get(). I tried searching in net, but couldn't find anything helpful.

Aug 20, 2009 · Is there a neater way for getting the number of digits in an int than this method? int numDigits = String.valueOf(1000).length();