Compilers: Principles and Practice by Pearson

Overview of Processing of Some Languages 335

11.1.6 Type Conversion

As mentioned above Java is a strongly typed language and if you need to change the type of variables

Java generally requires an explicit conversion. The following examples illustrate such conversions.

Conversion to String

The following examples show conversion from other types to Strings:

// Convert from int to String

String s1 = String.valueOf(10); // "10"

// Convert from double to String

String.valueOf(Math.PI); // "3.141592653589793"

// Convert from Boolean to String

String s3 = String.valueOf(1 < 2); // "true"

// Convert from date to String

String s4 = String.valueOf(new Date()); ...