Introduced Java 10 in Java Technology Course.
    Enjoying REPL with Java 10.   Introduced Java10 in the ongoing Java Technology Batch. Also playing with *.jsh files.   Sample Program ( piggybank.jsh )    import static javax.swing.JOptionPane.*;  import static java.lang.Integer.*;   var balance = 0;  var lt = 0;   void statement(){     showMessageDialog(null,"Balance = " + balance + "\n"+                       " Last Transaction = "+lt);  }   void deposit(int v){     balance = balance + v;     lt = v;  }   void withdraw(int v){     if(balance >= v){        balance = balance - v;        lt = -v;     }     else{        showMessageDialog(null,"Insufficient Balance");     }  }   statement();  var sr1 = showInputDialog("Enter amount to deposit");  var r1 = parseInt(sr1);  deposit(r1);  statement();  var r2 = parseInt(showInputDialog("Enter amount to deposit"));  deposit(r2);  statement();  withdraw(parseInt(showInputDialog("Enter amount to withdraw")));  statement...