Java™ Application Development on Linux - Dator

3.2 Fundamental Language Elements553.2.1.4 OperatorsBefore we move on to the topic of arrays (which are sort of a hybrid scalar/object type in Java), let’s spend a moment on the operators that can be used inexpressions (Table 3.1). Most deal with numeric or boolean operands. Forcompleteness, we’ll include the operators that deal exclusively with arrays(the “[]”) and classes (“.”, new, and instanceof), even though we haven’tdiscussed them yet.Operators listed on the same row in the table have the same precedence.Operators with the same precedence, except for the unary operators, groupfrom left to right. Unary operators group from right to left.3.2.1.5 ArraysExample 3.2 demonstrates the array syntax in Java.Example 3.2 Example array syntaxint [] oned = new int[35];// array = new type[size]int alta [] = {1, 3, 5, 14, 11, 6, 24}; // alternative syntax plus// initializationint j=0;for(int i=0; i alta.length) {j = 0;}}// array[index]// array.lengthThe array can be declared with the [] on either side of the variable name.While our example uses the primitive type int, array syntax looks just the samefor any objects.Note that in Java, one doesn’t declare the size of the array. It’s only increating the array with a new that the array gets created to a particular size.(The {...} syntax is really just a special compiler construct for what isessentially a new followed by an assignment of values.)Multidimensional arrays follow the syntax of simple arrays, but withadditional adjacent square brackets, as shown in Example 3.3.