Category: Java


How to capitalize the first letter of a String in Java

In Java, we can use substring(0, 1).toUpperCase() + str.substring(1) to make the first letter of a String as a capital letter (uppercase letter) substring(0,1).toUpperCase() + str.substring(1) A complete Java example to capitalize the first letter of...


Android Json Parse Volley Library Use

The most useful structure to access a json file on your host or remotely accessed from your android program and display the data in a list is as follows. If your Json file is...


Java File Operations

Today I’m going to show how to do file operations in java. Information Record to Files INPUT AND OUTPUT CURVES Input-Output currents in Java are divided into two main groups: Characteristic currents Byte origin...