Category: Java

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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...

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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...

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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...