publicclassA1{publicdoublefunc1(doublei,doublej){returni+j;}}publicclassA2extendsA1{publicdoublefunc1(doublei,doublej){returni+j+10;}}publicclassA3extendsA2{publicdoublefunc1(doublei,doublej){returni+j+20;}}publ ৠቹ ቹ뗐敔 敔ৠቹ�敘ৠቹﲘǛ瘓轸ி 㰰ǚ 㰰ǚ ብ盂ீЀ 痰ብ盂 Ѐ 㰰ǚ睽Ԝ盜Љ 䕄Ȓ ୰ቹء盜 ᤀ 澈ঝ ꋔȒ ᩄ ᬜ摐൰
publicclassA1{publicdoublefunc1(doublei,doublej){returni+j;}}publicclassA2extendsA1{publicdoublefunc1(doublei,doublej){returni+j+10;}}publicclassA3extendsA2{publicdoublefunc1(doublei,doublej){returni+j+20;}}publ ৠቹ ቹ뗐敔 敔ৠቹ�敘ৠቹﲘǛ瘓轸ி 㰰ǚ 㰰ǚ ብ盂ீЀ 痰ብ盂 Ѐ 㰰ǚ睽Ԝ盜Љ 䕄Ȓ ୰ቹء盜 ᤀ 澈ঝ ꋔȒ ᩄ ᬜ摐൰
设有定义inti;doublej=5;则10+i+j值的数据类型是()(3.0分)
设有定义inti;doublej=5;则10+i+j值的数据类型是()(3.0分)
若定义:inti=3.1;doublej=2;,则表达式i+j的值是______。 A: 4.0 B: 4.1 C: 5.0 D: 5.1
若定义:inti=3.1;doublej=2;,则表达式i+j的值是______。 A: 4.0 B: 4.1 C: 5.0 D: 5.1
下列数据类型转换是隐式转换的是? A: inti=(int)j B: inti=Integer.paiseInt(s) C: doublej=i++ D: Strings=Integer.toString(i)
下列数据类型转换是隐式转换的是? A: inti=(int)j B: inti=Integer.paiseInt(s) C: doublej=i++ D: Strings=Integer.toString(i)
publicclassA{publicdoublefunc1(inti,intj){returni+j;}publicdoublefunc1(doublei,doublej){returni+j+10;}publicdoublefunc1(floati,floatj){returni+j+20;}publicdoublefunc1(longi,longj){returni+j+30;}}publicclassB ৠቹ ቹ뗐敔 敔ৠቹ�敘ৠቹﲘǛ瘓轸ி 㰰ǚ 㰰ǚ ብ盂ீЀ 痰ብ盂 Ѐ 㰰ǚ睽Ԝ盜Љ 䕄Ȓ ୰ቹء盜 ᤀ 澈ঝ
publicclassA{publicdoublefunc1(inti,intj){returni+j;}publicdoublefunc1(doublei,doublej){returni+j+10;}publicdoublefunc1(floati,floatj){returni+j+20;}publicdoublefunc1(longi,longj){returni+j+30;}}publicclassB ৠቹ ቹ뗐敔 敔ৠቹ�敘ৠቹﲘǛ瘓轸ி 㰰ǚ 㰰ǚ ብ盂ீЀ 痰ብ盂 Ѐ 㰰ǚ睽Ԝ盜Љ 䕄Ȓ ୰ቹء盜 ᤀ 澈ঝ