Navigating Numeric Strings in Java: A Comprehensive Guide Introduction In the realm of Java programming, dealing with strings that represent numeric values is a common task. Whether you’re validating user input or processing data, knowing how to determine if a string is numeric is a fundamental skill. In this blog post, we’ll explore two approaches…
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Sorting an ArrayList of Custom Objects in Java: A Comprehensive Guide Introduction In Java programming, sorting collections of custom objects is a common task that developers encounter in various scenarios. Understanding how to sort an ArrayList of custom objects based on a specific property is crucial for efficient data manipulation. In this blog post, we…
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Sorting a Map by Values in Java: A Comprehensive Guide Introduction Sorting a map by values is a common operation in Java, especially when dealing with key-value pairs where the ordering is based on the values rather than the keys. In this blog post, we will explore a Java program that demonstrates how to sort…
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Java Program to Compare Strings In this program, you’ll learn to compare two strings in Java. Example 1: Compare two strings public class CompareStrings { public static void main(String[] args) { String style = “Bold”; String style2 = “Bold”; if(style == style2) System.out.println(“Equal”); else System.out.println(“Not Equal”); } } When you run the program, the output…
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Java Program: Looking Up Enums by String Value Introduction In Java, enums provide a way to represent a fixed set of constants. Enum constants are typically defined using uppercase letters, but there might be situations where you need to look up an enum based on its associated string value. This blog post presents a Java…
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Java Program to Convert OutputStream to String In this extensive blog post, we will explore the concept of converting an OutputStream to a String in Java. We’ll present a Java program that demonstrates how to achieve this conversion and discuss the underlying logic and step-by-step code analysis. The article aims to provide a comprehensive understanding…
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Java Program to Convert InputStream to String In this program, you’ll learn to convert input stream to a string using InputStreamReader in Java. Example: Convert InputStream to String import java.io.*; public class InputStreamString { public static void main(String[] args) throws IOException { InputStream stream = new ByteArrayInputStream(“Hello there!”.getBytes()); StringBuilder sb = new StringBuilder(); String line;…
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Java Program to Convert File to byte array and Vice-Versa In this program, you’ll learn to convert a File object to byte[] and vice-versa in Java. Before we convert a file to byte array and vice-versa, we assume we have a file named test.txt in our src folder. Here’s the content of test.txt This is…
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Java Program to Convert a Stack Trace to a String In this program, you’ll learn to convert a stack trace to a string in Java. Example: Convert stack trace to a string import java.io.PrintWriter; import java.io.StringWriter; public class PrintStackTrace { public static void main(String[] args) { try { int division = 0 / 0; }…
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Java Program to Append Text to an Existing File In this program, you’ll learn different techniques to append text to an existing file in Java. Before we append text to an existing file, we assume we have a file named test.txt in our src folder. Here’s the content of test.txt This is a Test file.…
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