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Java Study 6th ClassMath API
危API OOP 螳覓碁襷れ螳 螳 譟一語/覓瑚
Java API ? Java  蠍磯蓋朱 伎ル  殊企襴
 Java SE  螳 蠍磯蓋 API 襯 EE, ME => Java SE + 螳覲 API
Java  蠍磯蓋覓碁 java.lang API  String, System, Thread
import 襯 伎 るジ API(class file) 襯 企   java.sun.comAPI 覲願鍵
API 覲願鍵java.lang.MathCode 	:  Math.abs(-200)Output 	:  200staticintabs(inta) Returns the absolute value of an int value.
API 覲願鍵java.util.RandomCode 	:  new Random().nextInt(100);Output 	:  0~99intnextInt() Returns the next pseudorandom, uniformly distributed int valuefrom this random number generator's sequence.intnextInt(intn)Returns a pseudorandom, uniformly distributed int value between 0 (inclusive) and the specified value (exclusive), drawn from this random number generator's sequence.
My Calculator:	(れ) (一一) (れ)		3.14 * 2		= 6.14	14 + 5.3	= 19.3	2 ^ 5		= 32
My Simple Calculator螻給葦 蠍一朱 螳 覿覿 .れ/一一/れ 3螳 覈 讌 蟆.螻 螳ロ蟆 れ襦 覲. (覓語+覓語)一一 襷 螻一 伎 蟆郁骸螳 ロ.蟆郁骸螳 豢ロ.3 + 15		13 compare 9

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Java study 6th class