java8 编程参考官方教程（第9版）

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/*
  Demonstrate a block of code.
  
  Call this file “BlockTest.java“
*/
class BlockTest {
  public static void main（String args[]） {
    int x y;
  
    y = 20;

    // the target of this loop is a block
    for（x = 0; x<10; x++） {
      System.out.println（“This is x: “ + x）;
      System.out.println（“This is y: “ + y）;
      y = y - 2;
    }
  }
}

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