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 Understanding and Mastering Coding Errors      Coding errors are an inevitable part of the software development journey. Whether you're a novice programmer or a seasoned developer, encountering errors is something you can count on. But rather than seeing them as roadblocks, errors can be powerful learning tools that help you write better code.      There are 3 main types of errors.                     1.Syntax Errors 2.Logical Errors 3.Runtime Errors 1.Syntax Errors:-      Syntax errors occur when the code violates the rules of the programming language. These errors are usually detected by the compiler during the initial stages of program execution. Common examples include missing semicolons, mismatched parentheses, or misspelled keywords.               Above code, semicolon is missed. That is a syntax error. If there any syntax er...

 අද අපි කතා කරමු Data collections ගැන. Data Collections ගැන කතා කරන්න කලින් අපි කතා කරමු Data Arrays ගැන. Data Array එකක් කියන්නෙ එකම වර්ගයේ Data අනුපිළිවෙලකට ගබඩා කරන්න පුලුවන් දාත්ත ව්‍යූහයක්(Data Structure). Array එකේ Type එක String නම් ඒකෙ තියෙන්න පුලුවන් String Data විතරයි. Array එකක් නිර්මාණය කරද්දි ඒකට අදාලව Fixed Size එකක් දෙන්න ඕනි. Array එකක් හැදුවට පස්සෙ අපට Array එක වෙනස් කරන්න බෑ. ex:-  int[] array = new int[5];         array[0] = 1;                 array[1] = 2;                 array[2] = 3;                 array[3] = 4;                 array[4] = 5; එතකොට මොනාද මේ Array වල තියෙන ප්‍රශ්න?      මම මුලින් කිව්වා වගේ Array එකක් හදනකොට අපි ඒකට Fixed Size එකක් දෙන්න ඕනි. දැන් ඔයාලා හිතන්නකො අපි Size එක 5ක් වෙන Array එකක් හදනවා integer වලින්. එතකොට අපිට ඒ Array එකට ඇඩ් කර...

  Java is a powerful, versatile programming language used to build a wide range of applications, from mobile apps to large-scale enterprise systems. A key part of working with Java effectively is understanding its core components: the JDK (Java Development Kit), the JVM (Java Virtual Machine), and the JRE (Java Runtime Environment). Java Virtual Machine(JVM):- The JVM is a virtual machine that enables a computer to run Java programs. It converts Java bytecode, produced by the Java compiler, into machine code that the host operating system can execute. The JVM's ability to run bytecode on any platform that has a compatible JVM implementation makes Java a "write once, run anywhere" language. JVM Architecture:- Class Loader Role : The class loader is responsible for dynamically loading Java classes into the JVM. It loads classes from the filesystem, network, or other sources as needed. Types : Bootstrap Class Loader : Loads core Java libraries located in the <JAVA_HOME...