1. xxxxValue Method Example
public class MethodOne {public static void main(String args[]){
Integer x = 6;
System.out.println( x.byteValue() );
System.out.println(x.doubleValue());
System.out.println( x.longValue() );
}
}
Output :
6 6.0 6.2. compareTo Method Example
public class MethodTwo {public static void main(String args[]) {
Integer x = 6;
System.out.println(x.compareTo(3));
System.out.println(x.compareTo(6));
System.out.println(x.compareTo(8));
} }
Output :
1 0 -1.3. equals Method Example
public class MethodThree{public static void main(String args[] ) {
Integer x = 5;
Integer y = 10;
Integer z =5;
Short a = 5;
System.out.println(x.equals(y));
System.out.println(x.equals(z));
System.out.println(x.equals(a));
}
}
Output :
false true false.4. valueOf Method Example
public class MethodFour{public static void main(String args[] ) {
Integer x =Integer.valueOf(9);
Double c = Double.valueOf(5);
Float a = Float.valueOf("80");
Integer b = Integer.valueOf("444",16);
System.out.println(x);
System.out.println(c);
System.out.println(a);
System.out.println(b);
}
}
Output :
9 5.0 80.0 1092.5. toString Method Example
public class MethodFive {public static void main(String args [] ) {
Integer x = 5;
System.out.println(x.toString());
System.out.println(Integer.toString(12));
}
}
Output :
5 12.6. parseXXX Method Example
public class MethodSix {public static void main(String args [] ) {
int x =Integer.parseInt("9");
double c = Double.parseDouble("5");
int b = Integer.parseInt("444",16);
System.out.println(x);
System.out.println(c);
System.out.println(b);
}
}
Output :
9 5.0 1092.7. absolute Method Example
public class MethodSeven {public static void main(String args [] ) {
Integer a = -8;
double d = -100;
float f = -90;
System.out.println(Math.abs(a));
System.out.println(Math.abs(d));
System.out.println(Math.abs(f));
}
}
Output :
8 100.0 90.0.8. ceil Method Example
public class MethodEight {public static void main(String args [] ) {
double d = -100.675;
float f = -90;
System.out.println(Math.ceil(d));
System.out.println(Math.ceil(f));
System.out.println(Math.floor(d));
System.out.println(Math.floor(f));
}
}
Output :
-100.0 -90.0 -101.0 -90.0.9. floor Method Example
public class MethodNine {public static void main(String args [] ) {
double d = -100.675;
float f = -90;
System.out.println(Math.floor(d));
System.out.println(Math.floor(f));
System.out.println(Math.ceil(d));
System.out.println(Math.ceil(f));
}
}
Output :
-101.0 -90.0 -100.0 -90.0.10. rint Method Example
public class MethodTen {public static void main(String args [] ) {
double d = 100.675;
double e = 100.500;
double f = 100.200;
System.out.println(Math.rint(d));
System.out.println(Math.rint(e));
System.out.println(Math.rint(f));
}
}
Output :
101.0 100.0 100.0.11. round Method Example
public class MethodEleven {public static void main(String args [] ) {
double d = 100.675;
double e = 100.500;
float f = 100;
float g = 90f;
System.out.println(Math.round(d));
System.out.println(Math.round(e));
System.out.println(Math.round(f));
System.out.println(Math.round(g));
}
}
Output :
101 101 100 90.12. min Method Example
public class MethodTwelve {public static void main(String args [] ) {
System.out.println(Math.min(12.123, 12.456));
System.out.println(Math.min(23.12, 23.0));
}
}
Output :
12.123 23.0.13. max Method Example
public class MethodThirteen {public static void main(String args [] ) {
System.out.println(Math.max(12.123, 12.456));
System.out.println(Math.max(23.12, 23.0));
}
}
Output :
12.456 23.12.14. log Method Example
public class LogExample {public static void main(String args [] ) {
double x = 11.635;
double y = 2.76;
System.out.printf("The value of e is %.4f%n", Math.E);
System.out.printf("log(%.3f) is %.3f%n", x, Math.log(x));
}
}
Output :
The value of e is 2.7183log(11.635) is 2.454
15. exp Method Example
public class ExpExample {public static void main(String args [] ) {
double x = 11.635;
double y = 2.76;
System.out.printf("The value of e is %.4f%n", Math.E);
System.out.printf("exp(%.3f) is %.3f%n", x, Math.exp(x));
}
}
Output :
The value of e is 2.7183exp(11.635) is 112983.83
16. Power Method Example
public class PowerExample {public static void main(String args [] ) {
double x = 11.635;
double y = 2.76;
System.out.printf("The value of e is %.4f%n", Math.E);
System.out.printf("pow(%.3f, %.3f) is %.3f%n", x, y, Math.pow(x, y));
}
}
Output :
The value of e is 2.7183pow(11.635, 2.760) is 874.008
17. Square Root Method Example
public class SquareRootExample {public static void main(String args [] ) {
double x = 11.635;
double y = 2.76;
System.out.printf("The value of e is %.4f%n", Math.E);
System.out.printf("sqrt(%.3f) is %.3f%n", x, Math.sqrt(x));
}
}
Output :
The value of e is 2.7183sqrt(11.635) is 3.411
18. Sin Method Example
public class SinExample {public static void main(String args [] ) {
double degrees = 45.0;
double radians = Math.toRadians(degrees);
System.out.format("The value of pi is %.4f%n", Math.PI);
System.out.format("The sine of %.1f degrees is %.4f%n", degrees, Math.sin(radians));
}
}
Output :
The value of pi is 3.1416The sine of 45.0 degrees is 0.7071
19. Cos Method Example
public class CosExample {public static void main(String args [] ) {
double degrees = 45.0;
double radians = Math.toRadians(degrees);
System.out.format("The value of pi is %.4f%n", Math.PI);
System.out.format("The cosine of %.1f degrees is %.4f%n", degrees, Math.cos(radians));
}
}
Output :
The value of pi is 3.1416The cosine of 45.0 degrees is 0.7071
20. Tan Method Example
public class TanExample {public static void main(String args [] ) {
double degrees = 45.0;
double radians = Math.toRadians(degrees);
System.out.format("The value of pi is %.4f%n", Math.PI);
System.out.format("The tangent of %.1f degrees is %.4f%n", degrees, Math.tan(radians));
}
}
Output :
The value of pi is 3.1416The tangent of 45.0 degrees is 1.0000
21. ToDegree Method Example
public class ToDegree {public static void main(String args [] ) {
double x = 45.0;
double y = 30.0;
System.out.println( Math.toDegrees(x) );
System.out.println( Math.toDegrees(y) );
}
}
Output :
2578.31007808870441718.8733853924698
22. ToRadians Method Example
public class ToRadians {public static void main(String args [] ) {
double x = 45.0;
double y = 30.0;
System.out.println( Math.toRadians(x) );
System.out.println( Math.toRadians(y) );
}
}
Output :
0.78539816339744830.5235987755982988
23. Random Method Example
public class RandomExample {public static void main(String args [] ) {
System.out.println( Math.random() );
System.out.println( Math.random() );
}
}
Output :
0.167639450614516570.400551253762343