// Exercise 4.3: MathTest.java // Testing the Math class methods public class MathTest { public static void main( String args[] ) { System.out.println( "Math.abs( 23.7 ) = " + Math.abs( 23.7 ) ); System.out.println( "Math.abs( 0.0 ) = " + Math.abs( 0.0 ) ); System.out.println( "Math.abs( -23.7 ) = " + Math.abs( -23.7 ) ); System.out.println( "Math.ceil( 9.2 ) = " + Math.ceil( 9.2 ) ); System.out.println( "Math.ceil( -9.8 ) = " + Math.ceil( -9.8 ) ); System.out.println( "Math.cos( 0.0 ) = " + Math.cos( 0.0 ) ); System.out.println( "Math.exp( 1.0 ) = " + Math.exp( 1.0 ) ); System.out.println( "Math.exp( 2.0 ) = " + Math.exp( 2.0 ) ); System.out.println( "Math.floor( 9.2 ) = " + Math.floor( 9.2 ) ); System.out.println( "Math.floor( -9.8 ) = " + Math.floor( -9.8 ) ); System.out.println( "Math.log( 2.718282 ) = " + Math.log( 2.718282 ) ); System.out.println( "Math.log( 7.389056 ) = " + Math.log( 7.389056 ) ); System.out.println( "Math.max( 2.3, 12.7 ) = " + Math.max( 2.3, 12.7 ) ); System.out.println( "Math.max( -2.3, -12.7 ) = " + Math.max( -2.3, -12.7 ) ); System.out.println( "Math.min( 2.3, 12.7 ) = " + Math.min( 2.3, 12.7 ) ); System.out.println( "Math.min( -2.3, -12.7 ) = " + Math.min( -2.3, -12.7 ) ); System.out.println( "Math.pow( 2, 7 ) = " + Math.pow( 2, 7 ) ); System.out.println( "Math.pow( 9, .5 ) = " + Math.pow( 9, .5 ) ); System.out.println( "Math.sin( 0.0 ) = " + Math.sin( 0.0 ) ); System.out.println( "Math.sqrt( 25.0 ) = " + Math.sqrt( 25.0 ) ); System.out.println( "Math.tan( 0.0 ) = " + Math.tan( 0.0 ) ); } }