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DEMO CODE/JAVA 기초

[JAVA] Ex005 Math method

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public static void main(String[] args) {

System.out.println("Math.E "+Math.E);

System.out.println("Math.PI "+Math.PI);

System.out.println("Math.abs(-5) 절대값:"+Math.abs(-5));

System.out.println("Math.ceil(4.34) 올림:"+Math.ceil(4.34));

System.out.println("Math.round(4.34) 반올림:"+Math.round(4.5));

System.out.println("Math.floor(4.34) 버림:"+Math.floor(4.34));

System.out.println("Math.rint(4.34) 반올림:"+Math.rint(4.51));

System.out.println("Math.max(45,78) "+Math.max(45,78));

System.out.println("Math.min(45,78) "+Math.min(45,78));

System.out.println("Math.pow(2,4) "+Math.pow(2,4));

System.out.println("Math.log(30) "+Math.log(30));

System.out.println("Math.exp(3) "+Math.exp(3));

System.out.println("Math.sqrt(10) "+Math.sqrt(10));

System.out.print("Math.sin(Math.toRadians(90)) ");

System.out.println(Math.sin(Math.toRadians(90)));

System.out.print("Math.cos(Math.toRadians(180)) ");

System.out.println(Math.cos(Math.toRadians(180)));

double dRan=Math.random();

int    iRan=(int)(Math.random()*100);

System.out.println("Math.random()=> "+dRan);

System.out.println("(int)(Math.random()*100)=> "+iRan);

}

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