Java blog

  Prime number in Java: Prime number is a number that is greater than 1 and divided by 1 or itself only. In other words, prime numbers can't be divided by other numbers than itself or 1. For example 2, 3, 5, 7, 11, 13, 17.... are the prime numbers. Practical video : Download source code

 Fibonacci Series in java : In fibonacci series, next number is the sum of previous two numbers for example 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55 etc. The first two numbers of fibonacci series are 0 and 1. There are two ways to write the fibonacci series program in java: Fibonacci Series without using recursion Fibonacci Series using recursion Practical video: Download source code

𝚂𝚘𝚞𝚛𝚌𝚎 𝚌𝚘𝚍𝚎 : 𝚌𝚕𝚊𝚜𝚜 𝙽𝚞𝚖𝚋𝚎𝚛𝚃𝚘𝚆𝚘𝚛𝚍𝙴𝚡𝚊𝚖𝚙𝚕𝚎1    {   𝚜𝚝𝚊𝚝𝚒𝚌 𝚟𝚘𝚒𝚍 𝚗𝚞𝚖𝚋𝚎𝚛𝚃𝚘𝚆𝚘𝚛𝚍𝚜(𝚌𝚑𝚊𝚛 𝚗𝚞𝚖[])  {   𝚒𝚗𝚝 𝚕𝚎𝚗 = 𝚗𝚞𝚖.𝚕𝚎𝚗𝚐𝚝𝚑;   𝚒𝚏 (𝚕𝚎𝚗 == 0)    {   𝚂𝚢𝚜𝚝𝚎𝚖.𝚘𝚞𝚝.𝚙𝚛𝚒𝚗𝚝𝚕𝚗("𝚃𝚑𝚎 𝚜𝚝𝚛𝚒𝚗𝚐 𝚒𝚜 𝚎𝚖𝚙𝚝𝚢.");   𝚛𝚎𝚝𝚞𝚛𝚗;   }   𝚒𝚏 (𝚕𝚎𝚗 > 4)    {   𝚂𝚢𝚜𝚝𝚎𝚖.𝚘𝚞𝚝.𝚙𝚛𝚒𝚗𝚝𝚕𝚗("\𝚗 𝚃𝚑𝚎 𝚐𝚒𝚟𝚎𝚗 𝚗𝚞𝚖𝚋𝚎𝚛 𝚑𝚊𝚜 𝚖𝚘𝚛𝚎 𝚝𝚑𝚊𝚗 4 𝚍𝚒𝚐𝚒𝚝𝚜.");   𝚛𝚎𝚝𝚞𝚛𝚗;   }   𝚂𝚝𝚛𝚒𝚗𝚐[] 𝚘𝚗𝚎𝚍𝚒𝚐𝚒𝚝 = 𝚗𝚎𝚠 𝚂𝚝𝚛𝚒𝚗𝚐[] {"𝚉𝚎𝚛𝚘", "𝙾𝚗𝚎", "𝚃𝚠𝚘", "𝚃𝚑𝚛𝚎𝚎", "𝙵𝚘𝚞𝚛", "𝙵𝚒𝚟𝚎", "𝚂𝚒𝚡", "𝚂𝚎𝚟𝚎𝚗", "𝙴𝚒𝚐𝚑𝚝", "𝙽𝚒𝚗𝚎"};   𝚂𝚝𝚛𝚒𝚗𝚐[] 𝚝𝚠𝚘𝚍𝚒𝚐𝚒𝚝𝚜 = 𝚗𝚎𝚠 𝚂𝚝𝚛𝚒𝚗𝚐[] {"", "𝚃𝚎𝚗", "𝙴𝚕𝚎𝚟𝚎𝚗", "𝚃𝚠𝚎𝚕𝚟𝚎", "𝚃𝚑𝚒𝚛𝚝𝚎𝚎𝚗", "𝙵𝚘𝚞𝚛𝚝𝚎𝚎𝚗", "𝙵𝚒𝚏...

𝙅𝙖𝙫𝙖 𝙫𝙖𝙧𝙞𝙖𝙗𝙡𝙚𝙨 𝚅𝚊𝚛𝚒𝚊𝚋𝚕𝚎𝚜 𝚊𝚛𝚎 𝚌𝚘𝚗𝚝𝚊𝚒𝚗𝚎𝚛𝚜 𝚏𝚘𝚛 𝚜𝚝𝚘𝚛𝚒𝚗𝚐 𝚍𝚊𝚝𝚊 𝚟𝚊𝚕𝚞𝚎𝚜. 𝙸𝚗 𝙹𝚊𝚟𝚊, 𝚝𝚑𝚎𝚛𝚎 𝚊𝚛𝚎 𝚍𝚒𝚏𝚏𝚎𝚛𝚎𝚗𝚝 𝚝𝚢𝚙𝚎𝚜 𝚘𝚏 𝚟𝚊𝚛𝚒𝚊𝚋𝚕𝚎𝚜, 𝚏𝚘𝚛 𝚎𝚡𝚊𝚖𝚙𝚕𝚎: 𝚂𝚝𝚛𝚒𝚗𝚐 - 𝚜𝚝𝚘𝚛𝚎𝚜 𝚝𝚎𝚡𝚝, 𝚜𝚞𝚌𝚑 𝚊𝚜 "𝙷𝚎𝚕𝚕𝚘". 𝚂𝚝𝚛𝚒𝚗𝚐 𝚟𝚊𝚕𝚞𝚎𝚜 𝚊𝚛𝚎 𝚜𝚞𝚛𝚛𝚘𝚞𝚗𝚍𝚎𝚍 𝚋𝚢 𝚍𝚘𝚞𝚋𝚕𝚎 𝚚𝚞𝚘𝚝𝚎𝚜 𝚒𝚗𝚝 - 𝚜𝚝𝚘𝚛𝚎𝚜 𝚒𝚗𝚝𝚎𝚐𝚎𝚛𝚜 (𝚠𝚑𝚘𝚕𝚎 𝚗𝚞𝚖𝚋𝚎𝚛𝚜), 𝚠𝚒𝚝𝚑𝚘𝚞𝚝 𝚍𝚎𝚌𝚒𝚖𝚊𝚕𝚜, 𝚜𝚞𝚌𝚑 𝚊𝚜 123 𝚘𝚛 -123 𝚏𝚕𝚘𝚊𝚝 - 𝚜𝚝𝚘𝚛𝚎𝚜 𝚏𝚕𝚘𝚊𝚝𝚒𝚗𝚐 𝚙𝚘𝚒𝚗𝚝 𝚗𝚞𝚖𝚋𝚎𝚛𝚜, 𝚠𝚒𝚝𝚑 𝚍𝚎𝚌𝚒𝚖𝚊𝚕𝚜, 𝚜𝚞𝚌𝚑 𝚊𝚜 19.99 𝚘𝚛 -19.99 𝚌𝚑𝚊𝚛 - 𝚜𝚝𝚘𝚛𝚎𝚜 𝚜𝚒𝚗𝚐𝚕𝚎 𝚌𝚑𝚊𝚛𝚊𝚌𝚝𝚎𝚛𝚜, 𝚜𝚞𝚌𝚑 𝚊𝚜 '𝚊' 𝚘𝚛 '𝙱'. 𝙲𝚑𝚊𝚛 𝚟𝚊𝚕𝚞𝚎𝚜 𝚊𝚛𝚎 𝚜𝚞𝚛𝚛𝚘𝚞𝚗𝚍𝚎𝚍 𝚋𝚢 𝚜𝚒𝚗𝚐𝚕𝚎 𝚚𝚞𝚘𝚝𝚎𝚜 𝚋𝚘𝚘𝚕𝚎𝚊𝚗 - 𝚜𝚝𝚘𝚛𝚎𝚜 𝚟𝚊𝚕𝚞𝚎𝚜 𝚠𝚒𝚝𝚑 𝚝𝚠𝚘 𝚜𝚝𝚊𝚝𝚎𝚜: 𝚝𝚛𝚞𝚎 𝚘𝚛 𝚏𝚊𝚕𝚜𝚎 𝙳𝚎𝚌𝚕𝚊𝚛𝚒𝚗𝚐 (𝙲𝚛𝚎𝚊𝚝𝚒𝚗𝚐) 𝚅𝚊𝚛𝚒𝚊𝚋𝚕𝚎𝚜 𝚃𝚘 𝚌𝚛...

𝚆𝚑𝚊𝚝 𝚒𝚜 𝙹𝚊𝚟𝚊? 𝙹𝚊𝚟𝚊 𝚒𝚜 𝚊 𝚙𝚘𝚙𝚞𝚕𝚊𝚛 𝚙𝚛𝚘𝚐𝚛𝚊𝚖𝚖𝚒𝚗𝚐 𝚕𝚊𝚗𝚐𝚞𝚊𝚐𝚎, 𝚌𝚛𝚎𝚊𝚝𝚎𝚍 𝚒𝚗 1995. 𝙸𝚝 𝚒𝚜 𝚘𝚠𝚗𝚎𝚍 𝚋𝚢 𝙾𝚛𝚊𝚌𝚕𝚎, 𝚊𝚗𝚍 𝚖𝚘𝚛𝚎 𝚝𝚑𝚊𝚗 3 𝚋𝚒𝚕𝚕𝚒𝚘𝚗 𝚍𝚎𝚟𝚒𝚌𝚎𝚜 𝚛𝚞𝚗 𝙹𝚊𝚟𝚊. 𝙸𝚝 𝚒𝚜 𝚞𝚜𝚎𝚍 𝚏𝚘𝚛: 𝙼𝚘𝚋𝚒𝚕𝚎 𝚊𝚙𝚙𝚕𝚒𝚌𝚊𝚝𝚒𝚘𝚗𝚜 (𝚜𝚙𝚎𝚌𝚒𝚊𝚕𝚕𝚢 𝙰𝚗𝚍𝚛𝚘𝚒𝚍 𝚊𝚙𝚙𝚜) 𝙳𝚎𝚜𝚔𝚝𝚘𝚙 𝚊𝚙𝚙𝚕𝚒𝚌𝚊𝚝𝚒𝚘𝚗𝚜 𝚆𝚎𝚋 𝚊𝚙𝚙𝚕𝚒𝚌𝚊𝚝𝚒𝚘𝚗𝚜 𝚆𝚎𝚋 𝚜𝚎𝚛𝚟𝚎𝚛𝚜 𝚊𝚗𝚍 𝚊𝚙𝚙𝚕𝚒𝚌𝚊𝚝𝚒𝚘𝚗 𝚜𝚎𝚛𝚟𝚎𝚛𝚜 𝙶𝚊𝚖𝚎𝚜 𝙳𝚊𝚝𝚊𝚋𝚊𝚜𝚎 𝚌𝚘𝚗𝚗𝚎𝚌𝚝𝚒𝚘𝚗 𝙰𝚗𝚍 𝚖𝚞𝚌𝚑, 𝚖𝚞𝚌𝚑 𝚖𝚘𝚛𝚎! 𝚆𝚑𝚢 𝚄𝚜𝚎 𝙹𝚊𝚟𝚊? 𝙹𝚊𝚟𝚊 𝚠𝚘𝚛𝚔𝚜 𝚘𝚗 𝚍𝚒𝚏𝚏𝚎𝚛𝚎𝚗𝚝 𝚙𝚕𝚊𝚝𝚏𝚘𝚛𝚖𝚜 (𝚆𝚒𝚗𝚍𝚘𝚠𝚜, 𝙼𝚊𝚌, 𝙻𝚒𝚗𝚞𝚡, 𝚁𝚊𝚜𝚙𝚋𝚎𝚛𝚛𝚢 𝙿𝚒, 𝚎𝚝𝚌.) 𝙸𝚝 𝚒𝚜 𝚘𝚗𝚎 𝚘𝚏 𝚝𝚑𝚎 𝚖𝚘𝚜𝚝 𝚙𝚘𝚙𝚞𝚕𝚊𝚛 𝚙𝚛𝚘𝚐𝚛𝚊𝚖𝚖𝚒𝚗𝚐 𝚕𝚊𝚗𝚐𝚞𝚊𝚐𝚎 𝚒𝚗 𝚝𝚑𝚎 𝚠𝚘𝚛𝚕𝚍 𝙸𝚝 𝚒𝚜 𝚎𝚊𝚜𝚢 𝚝𝚘 𝚕𝚎𝚊𝚛𝚗 𝚊𝚗𝚍 𝚜𝚒𝚖𝚙𝚕𝚎 𝚝𝚘 𝚞𝚜𝚎 𝙸𝚝 𝚒𝚜 𝚘𝚙𝚎𝚗-𝚜𝚘𝚞𝚛𝚌𝚎 𝚊𝚗𝚍 𝚏𝚛𝚎𝚎 𝙸𝚝 𝚒𝚜 𝚜𝚎𝚌𝚞𝚛𝚎, 𝚏𝚊𝚜𝚝 𝚊𝚗𝚍 ...