定義8種包裝數(shù)據(jù)類型的數(shù)組，每個(gè)數(shù)組的長度都是3。

對每種數(shù)組進(jìn)行賦值，并打印。

package a;

public class Student{

public static void main(String[] args) {

? ?

? ?

? ? Integer [] ms=new Integer[3];

? ? Boolean [] B=new Boolean[3];

? ? Double [] D=new? Double[3];

? ? Byte [] Byte=new Byte[3];

? ?

? ? Short [] Short=new Short[3];

? ? Long [] Long=new Long[3];

? ? Character [] Character=new Character[3];

? ? Float [] Float=new Float[3];

? ?

? ?

? ? Integer m1=new Integer(5);

? ? Integer m2=new Integer(2);

? ? Integer m3=new Integer(0);

? ? Boolean B1=new Boolean(true);

? ? Boolean B2=new Boolean(true);

? ? Boolean B3=new Boolean(true);

? ? Double? D1=new? Double(52.0);

? ? Double? D2=new? Double(52.0);

? ? Double? D3=new? Double(13.14);

? ? Byte? Byte1=new? Byte("5");

? ? Byte? Byte2=new? Byte("2");

? ? Byte? Byte3=new? Byte("0");

? ? Short? Short1=new? Short("7");

? ? Short? Short2=new? Short("7");

? ? Short? Short3=new? Short("5");

? ? Long? Long1=new? Long("520");

? ? Long? Long2=new? Long("13");

? ? Long? Long3=new? Long("14");

? ? Character? Character1=new? Character('5');

? ? Character? Character2=new? Character('2');

? ? Character? Character3=new? Character('0');

? ? Float? Float1=new? Float(52.0);

? ? Float Float2=new? Float(52.0);

? ? Float Float3=new? Float(13.14);

? ?

? ? ms[0]=m1;ms[1]=m2;ms[2]=m3;

? ? B[0]=B1;B[1]=B2;B[2]=B3;

? ? D[0]=D1;D[1]=D2;D[2]=D3;

? ? Byte[0]=Byte1;Byte[1]=Byte2;Byte[2]=Byte3;

? ? Short[0]=Short1;Short[1]=Short2;Short[2]=Short3;

? ?

? ? Long[0]=Long1;Long[1]=Long2;Long[2]=Long3;

? ? Character[0]=Character1;Character[1]=Character2;Character[2]=Character3;

? ? Float[0]=Float1;Float[1]=Float2;Float[2]=Float3;

? ? for(int i=0;i<ms.length;i++){

? ? System.out.print(ms[i]+"? ");

? ?

? ?

? ? System.out.print(B[i]+"? ");

? ?

? ?

? ? System.out.print(D[i]+"? ");

? ?

? ?

? ?

? ? System.out.print(Byte[i]+"? ");

? ?

? ? System.out.print(Long[i]+"? ");

? ?

? ?

? ? System.out.print(Short[i]+"? ");

? ?

? ?

? ?

? ? System.out.print(Character[i]+"? ");

? ?

? ?

? ?

? ? System.out.print(Float[i]+"? ");

? ? System.out.print("? ? ?");

? ?

? ? }

? ?

? ? }

}

以上是相比之前更簡單，優(yōu)美，好，準(zhǔn)確的代碼，方法。簡單，優(yōu)美，好，準(zhǔn)確很重要。