etColorColorblack2gdrawLi
e101010503gsetcolorcolorred4gdrawRect100100150150A一条40像素长的垂直红线，一个边长为150像素的红色四方形
fB一条40像素长的垂直黑线，一个边长为150像素的红色四方形C一条40像素长的垂直黑线，一个边长为150像素的红色四方形D一条40像素长的垂直红线，一个边长为150像素的红色四方形四、程序阅读
1、阅读以下程序，输出结果为。21classDpublicstaticvoidmai
Stri
gargsi
td21Decdec
ewDecdecdecreme
tdSystemoutpri
tl
dclasssDecpublicvoiddecreme
ti
tdecMedecMedecMe－12、以下程序的输出结果为。结果为BoypublicclassShortpublicstaticvoidmai
Stri
gargsStri
gBuffers
ewStri
gBuffer“Boy”ifsle
gth3sappe
d“男孩”equals“False”Systemoutpri
tl
“结果为”s
f3、以下程序段的输出结果为。Messagefouri
tx0y4z5ifx2ify5Systemoutpri
tl
“Messageo
e”elseSystemoutpri
tl
“Messagetwo”elseifz5Systemoutpri
tl
“Messagethree”elseSystemoutpri
tl
“Messagefour”4、以下程序段的输出结果为。twothreei
tj2switchjcase2Systemoutpri
t“two”case21Systemoutpri
tl
“three”break
fdefaultSystemoutpri
tl
“valueis“jbreak5、以下程序段的输出结果为。i
tclassCru
chervoidcru
chi
tiSystemoutpri
tl
“i
t”voidcru
chStri
gsSystemoutpri
tl
“Stri
g”publicstaticvoidmai
Stri
gargsCru
chercru
ewCru
chercharch’p’cru
cru
chch6、阅读以下程序，写出输出结果。99classQ6publicstaticvoidmai
Stri
gargsHolderh
ewHolderhheld100hbumphSystemoutpri
tl
hheld
fclassHolderpublici
theldpublicvoidbumpHoldertheHoldertheHolderheld7、阅读以下程序，请写出输出结果。truepublicclassEqualsMethodpublicstaticvoidmai
Stri
gargsI
teger
1
ewI
teger47I
teger
2
ewI
teger47Systemoutpri
tl
1equals
2
fr