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1.var objAyyar = []; // 1
2.var objAyyar = [2]; // 2
3.var objAyyar = ["a", "b", "c"]; // 3
4.var objAyyar = [new Date(), 123, "abc"]; // 4
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int[] array = new int[10];
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var arr = [1, 2, 3, 4, 5];
alert(arr.length); // Êý×鳤¶ÈΪ5
alert(arr[3]); // arr[3] = 4
arr[9] = 10; // ¸Ä±äÁËÊý×éµÄ³¤¶ÈΪ10
alert(arr[7]);
alert(arr.length);
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