$B4pK\%G!<%?7?(B

$BA0@a(B$B$G8+$?$H$*$j!"%W%m%0%i%_%s%0$GJQ?t$OIT2D7g$J;EAH$_$G$9!#(B Java $B$G$OJQ?t$r:n$C$F;H$&$H$-$K!"BeF~$9$k

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Java $B$,07$&%G!<%?$K$O!"?t;z!?J8;zNs!?2hA|!?2;$J$I!"Bt;3$N$B4pK\%G!<%?7?!J%W%j%_%F%#%V7?!K(B$B$H8F$P$l$k4pACE*$J%G!<%?$N

$B4pK\%G!<%?7?(B
$B7?L>(B$B%S%C%H?t!J%P%$%H?t!K(B$BI=8=$G$-$kHO0O(B $BJ,N`(B
byte8 (1)(-27, 27-1) = (-128, 127) $BId9fIU@0?t7?(B
short16 (2)(-215, 215-1)
int32 (4)(-231, 231-1)
long64 (8)(-263, 263-1)
char16 (2)Unicode $B$N0lJ8;z(B $BJ8;z!J@0?t7?!K(B
float32 (4)IEEE 754 $B5,3J$N(B 32 $B%S%C%HIbF0>.?tE@?t(B $BIbF0>.?tE@?t7?(B
double64 (8)IEEE 754 $B5,3J$N(B 64 $B%S%C%HIbF0>.?tE@?t(B
boolean? (?)true/false $BO@M}CM7?(B

$BId9fIU@0?t7?(B

$B@0?t7?$K$O$$$/$D$+

long $B7?$N@0?t$N>l9g!"BeF~?t;z$K(B L $B$rIU$1$F$/$@$5$$!#?t;z$Oint $B7?$HF1$8(B 32 $B%S%C%H$7$+J];}$G$-$^$;$s$N$G!"(B long $B7?$KBeF~$9$k$H$-$K$O!"L@<(E*$K<($9I,MW$,$"$j$^$9!#(B

long dbla=12345678901L;

$BJ8;z7?(B

$BJ8;z7?(B char $B$O(B UNICODE (UTF-16) $B$N0lJ8;z$r$"$i$o$7$^$9!#(B UNICODE $B$H$OJ8;z%;%C%H$N0l$D$G$9!#J8;z%;%C%H$H$O!"Fs?J?t$N%3%s%T%e!<%?$GJ8;z$r<1JL$9$k0Y$NHV9f$HJ8;z$NAH$N$3$H$G$"$j!"J8;z$r%S%C%H%Q%?!<%s$KId9f2=$7$?$b$N$NAH$N$3$H$G$9!#(B Java $B$G$O(B Unicode $B$H$$$&J8;z%;%C%H$KId9f2=$9$kJ8;zId9f2=J}K!$rI8=`$GMxMQ$7$F$$$^$9!#(B

char $B7?$N%j%F%i%k$O%7%s%0%k!&%/%*%F%#%7%g%s(B (') $B$G3g$j$^$9!#BeF~$9$kJ8;z$O!"IaDL$K%-!<%\!<%I$GJ8;z$rF~NO$9$k$+!"(B Unicode $B$N%^%C%WHV9f$rD>$K5-=R$7$^$9!#(B

char lett='$B$"(B';
char c2='\u0041';

$BJ8;z7?%G!<%?$O!"Id9f$J$7$N@0?t7?$H$7$F07$o$l$^$9!#(B

$BIbF0>.?tE@?t7?(B

$BIbF0>.?t$N>l9g$O(B double $B7?$H2rfloat $B7?JQ?t$K>.?t$rBeF~$9$k:]$K$O(B F $B$rIU$1$FL@<($7$^$9!#(B

float f1=3.1415F;

$BO@M}CM7?(B

$B%V!<%kBe?t7?!J%V!<%j%"%s!K$H$b8F$P$l$^$9!#(B

boolean $B7?$NJQ?t$K$O!"(B true $B$+(B false $B0J30$NCM$OF~$j$^$;$s!#Nc$($P!"<0(B a < b $B$O!"(Ba $B$,(B b $B$h$j$b>.$5$$$J$i$P(B true $B$,JV$j!"$=$&$G$J$1$l$P(B false $B$,JV$j$^$9!#$3$N7k2L$rBeF~$G$-$kJQ?t$N7?$O!"(B boolean $B7?$K$J$j$^$9!#(B

boolean logo = a < b;

$B%5%s%W%k!'(B TestVariable.java

class TestVariable {
	public static void main(String[] args) {
	//	$BJQ?t$N7?@k8@(B	$BJQ?t$XCM$NBeF~(B
		// $B@0?t7?(B
		byte b; 	b=100;
		short s;	s=200;
		int i;  	i=300;
		long l; 	l=12345678901L;
		// $BJ8;z7?(B
		char c; 	c='$B$"(B';
		char c2;	c2='\u0041';
		// $BIbF0>.?tE@?t7?(B
		float f;	f=3.1415F;
		double d;	d=3.1415;
		// $BO@M}CM7?!J%V!<%j%"%s7?!K(B
		boolean bln;	bln=true;
		System.out.println("$BId9fIU@0?t7?(B");
		System.out.println(" byte: " + b);
		System.out.println(" short: " + s);
		System.out.println(" int: " + i);
		System.out.println(" long: " + l);
		System.out.println("$BJ8;z7?(B");
		System.out.println(" char: " + c + ", " + c2);
		System.out.println("$BIbF0=8?tE@?t7?(B");
		System.out.println(" float: " + f);
		System.out.println(" double: " + d);
		System.out.println("$BO@M}CM7?!J%V!<%j%"%s7?!K(B");
		System.out.println(" boolean: " + bln);
	}
}

long $B7?!"(B char $B7?!"(B float $B7?!"(B boolean $B7?$K$D$$$F!"NI$/3P$($F$*$/$HNI$$$G$7$g$&!#(B

char $B7?$N(B '\u0041' $B$N(B \ $B$O!"8eB3$NJ8;zNs$,%^%C%WHV9f$G$"$k$3$H$r<($9$b$N$G$"$j!"J8;z%;%C%H$K$h$C$F!V1_%^!<%/!W$+!V%P%C%/%9%i%C%7%e!W$K$J$j$^$9!#HV9f$O(B UNICODE $B$N%3!<%IHV9f$G$9!#(B '\u0041' $B$OH>3Q1QBgJ8;z$N(B 'A' $B$K%^%C%W$5$l$F$$$^$9!#(B '\u0061' $B$O>.J8;z$N(B a $B!"(B'\u0030' $B$O?t;z$N#0!"(B '\u0031' $B$,?t;z$N#1$G$9!#(B

$BJQ?t$N7?@k8@$HCM$NBeF~$O!"

class TestVariable {
	public static void main(String[] args) {
	//	$BJQ?t$N7?@k8@$HCM$NBeF~(B
		// $B@0?t7?(B
		byte b=100;
		short s=200;
		int i=300;
		long l=12345678901L;
		// $BJ8;z7?(B
		char c='$B$"(B';
		char c2='\u0041';
		// $BIbF0=8?tE@?t7?(B
		float f=3.14F;
		double d=3.14;
		// $BO@M}CM7?!J%V!<%j%"%s7?!K(B
		boolean bln=true;
		System.out.println("$BId9fIU@0?t7?(B");
		System.out.println(" byte: " + b);
		System.out.println(" short: " + s);
		System.out.println(" int: " + i);
		System.out.println(" long: " + l);
		System.out.println("$BJ8;z7?(B");
		System.out.println(" char: " + c + ", " + c2);
		System.out.println("$BIbF0=8?tE@?t7?(B");
		System.out.println(" float: " + f);
		System.out.println(" double: " + d);
		System.out.println("$BO@M}CM7?!J%V!<%j%"%s7?!K(B");
		System.out.println(" boolean: " + bln);
	}
}
C:\Java>javac TestVariable.java
C:\Java>java TestVariable
$BId9fIU@0?t7?(B
 byte: 100
 short: 200
 int: 300
 long: 12345678901
$BJ8;z7?(B
 char: $B$"(B, A
$BIbF0=8?tE@?t7?(B
 float: 3.14
 double: 3.14
$BO@M}CM7?!J%V!<%j%"%s7?!K(B
 boolean: true


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