Source file for testing JVM bytecode while reading JVM Specification

Compilation.java

class Compilation {
  
  void simpleLoop() {
    int i;
    for (i = 0; i < 100; i++) {
      ; // Loop body is empty
    }
  }

  int align2grain(int i, int grain) {
    return ((i + grain-1) & ~(grain-1));
  }

  void useManyNumeric() {
    int i = 100;
    int j = 1000000;
    long l1 = 1;
    long l2 = 0xffffffff;
    double d = 2.2;
  }

  void whileInt() {
    int i = 0;
    while (i < 100) {
      i++;
    }
  }

  static int staticAdd(int a, int b) {
    return a + b;
  }

  int nonstaticAdd (int a, int b) {
    return a + b;
  }

  int addThree(int a, int b, int c) {
    return nonstaticAdd(a, nonstaticAdd(b, c));
  }

  Object make() {
    return new Object();
  }

  int[] makeA(int len) {
    int[] a = new int[len];
    a[len-1] = 3;
    return a;
  }

  int chooseNear(int i) {
    switch (i) {
      case 0: return 0;
      case 1: return 1;
      case 2: return 2;
      default: return -1;
    }
  }

  int chooseFar(int i) {
    switch (i) {
      case 0: return 0;
      case -100: return -1;
      case 100: return 1;
      default: return -2;
    }
  }

  static class TestExc extends Exception {
    private static final long serialVersionUID = 23;
  }

  void cantBeZero(int i) throws TestExc {
    if (i == 0) {
      throw new TestExc();
    }
  }
  
  void handleTestExc(TestExc e) {
  }

  void trycatch()  {
    try  {
      cantBeZero(0);
    } catch (TestExc e) {
      handleTestExc(e);
    }
  }

  void tryFinally() throws TestExc {
    try  {
      cantBeZero(0);
    } finally {
      System.out.println("Always printed");
    }
  }

  void tryCatchFinally() throws TestExc {
    try  {
      cantBeZero(0);
    } catch (TestExc e) {
      handleTestExc(e);
    } finally {
      System.out.println("Always printed");
    }
  }

}