www.pudn.com > ThinkinginJava4thEdition(SourceCode).zip > MultiDimWrapperArray.java

//: arrays/MultiDimWrapperArray.java 
// Multidimensional arrays of "wrapper" objects. 
import java.util.*; 
 
public class MultiDimWrapperArray { 
  public static void main(String[] args) { 
    Integer[][] a1 = { // Autoboxing 
      { 1, 2, 3, }, 
      { 4, 5, 6, }, 
    }; 
    Double[][][] a2 = { // Autoboxing 
      { { 1.1, 2.2 }, { 3.3, 4.4 } }, 
      { { 5.5, 6.6 }, { 7.7, 8.8 } }, 
      { { 9.9, 1.2 }, { 2.3, 3.4 } }, 
    }; 
    String[][] a3 = { 
      { "The", "Quick", "Sly", "Fox" }, 
      { "Jumped", "Over" }, 
      { "The", "Lazy", "Brown", "Dog", "and", "friend" }, 
    }; 
    System.out.println("a1: " + Arrays.deepToString(a1)); 
    System.out.println("a2: " + Arrays.deepToString(a2)); 
    System.out.println("a3: " + Arrays.deepToString(a3)); 
  } 
} /* Output: 
a1: [[1, 2, 3], [4, 5, 6]] 
a2: [[[1.1, 2.2], [3.3, 4.4]], [[5.5, 6.6], [7.7, 8.8]], [[9.9, 1.2], [2.3, 3.4]]] 
a3: [[The, Quick, Sly, Fox], [Jumped, Over], [The, Lazy, Brown, Dog, and, friend]] 
*///:~