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int[] numbers = new int[10];
int[] names = new String[]{"John", "Jack"};
int length = names.length;
for (String name: names) {
System.out.println(name);
}
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Input: nums = [-4,-1,0,3,10]
Output: [0,1,9,16,100]
Explanation: After squaring, the array becomes [16,1,0,9,100].
After sorting, it becomes [0,1,9,16,100].
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// this is an array
var days = ["sunday","mondey","tuesday","wednesday"]
//here you can call arrays items using index number inside squar bracket
console.log(day[0])
console.log(day[1])
console.log(day[2])
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<!DOCTYPE html>
<html>
<body>
<script>
var str = ["1818-15-3", "1819-16-3"];
var arr = str.split(":");
document.write(arr[1] + ":" + arr[2]);
</script>
</body>
</html>
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const collection = {
length: 0,
addElements: function(elements) {
// obj.length will be incremented automatically
// every time an element is added.
// Returning what push returns; that is
// the new value of length property.
return [].push.call(this, elements);
},
removeElement: function() {
// obj.length will be decremented automatically
// every time an element is removed.
// Returning what pop returns; that is
// the removed element.
return [].pop.call(this);
}
}
collection.addElements(10, 20, 30);
console.log(collection.length); // 3
collection.removeElement();
console.log(collection.length); // 2