「Java」クラスのstatic変数を利用する方法

書式
class class名 {
static 変数の型 method名;
}
Javaコード

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package com.arkgame.study;
class CftExample {
// static変数の定義 string、int、char、long、double、float
static String cftA = "tokyo";
static int cftB = 100;
static char cftC = 'U';
static long cftD = 49433204432234523L;
static double cftE = 6.5;
static float cftF = 3.2F;
}
public class StaticParamterDemo {
public static void main(String[] args) {
// string
System.out.println("stringの値:" + CftExample.cftA);
// int
System.out.println("intの値:" + CftExample.cftB);
// char
System.out.println("charの値:" + CftExample.cftC);
// long
System.out.println("longの値:" + CftExample.cftD);
// double
System.out.println("doubleの値:" + CftExample.cftE);
// float
System.out.println("floatの値:" + CftExample.cftF);
}
}
package com.arkgame.study; class CftExample { // static変数の定義 string、int、char、long、double、float static String cftA = "tokyo"; static int cftB = 100; static char cftC = 'U'; static long cftD = 49433204432234523L; static double cftE = 6.5; static float cftF = 3.2F; } public class StaticParamterDemo { public static void main(String[] args) { // string System.out.println("stringの値:" + CftExample.cftA); // int System.out.println("intの値:" + CftExample.cftB); // char System.out.println("charの値:" + CftExample.cftC); // long System.out.println("longの値:" + CftExample.cftD); // double System.out.println("doubleの値:" + CftExample.cftE); // float System.out.println("floatの値:" + CftExample.cftF); } }
package com.arkgame.study;

class CftExample {
      // static変数の定義 string、int、char、long、double、float
      static String cftA = "tokyo";
      static int cftB = 100;
      static char cftC = 'U';
      static long cftD = 49433204432234523L;
      static double cftE = 6.5;
      static float cftF = 3.2F;
}

public class StaticParamterDemo {

      public static void main(String[] args) {
            // string
            System.out.println("stringの値:" + CftExample.cftA);
            // int
            System.out.println("intの値:" + CftExample.cftB);
            // char
            System.out.println("charの値:" + CftExample.cftC);
            // long
            System.out.println("longの値:" + CftExample.cftD);
            // double
            System.out.println("doubleの値:" + CftExample.cftE);
            // float
            System.out.println("floatの値:" + CftExample.cftF);
      }
}

実行結果
stringの値:tokyo
intの値:100
charの値:U
longの値:49433204432234523
doubleの値:6.5
floatの値:3.2

Java

Posted by arkgame