// strings/Ex6.java // TIJ4 Chapter Strings, Exercise 6, page 523 /* Create a class that contains int, long, float, and double fields. Create * a toString() method for this class that uses String.format(), and demonstrate * that your class works correctly. */ import java.util.*; public class Ex6 { int i = 0; long l = 0; float f = 0.0f; double d = 0.0; Ex6(int i, long l, float f, double d) { this.i = i; this.l = l; this.f = f; this.d = d; } public String toString() { return String.format("i = %d\nl = %d\nf = %.16g\nd = %.16g\n", i, l, f, d); } public static void main(String[] args) { Ex6 x = new Ex6(2, 45l, 1.2f, 2.7182818289); Ex6 ex = new Ex6(-2147483648, -9223372036854775808L, 1.1754943508222875E-38f, 2.2250738585072014E-308); Ex6 exMax = new Ex6(2147483647, 9223372036854775807L, 3.4028234663852886E38f, 1.7976931348623157E308); System.out.println(x); System.out.println(ex); System.out.println(exMax); } }