写出下面程序的输出结果 publicclassTestjava{ publicstaticvoidmain(String[]args){ Stringstr="abbaefabbewbvwabbswgfga"; System.out.println("count="+getSubCount(str,"abb")); } publicstaticintgetSubCount(Stringstr,Stringkey){ intcount=0; intindex=0; while((index=str.indexOf(key,index))!=-1){ System.out.println("index="+index); index=index+key.length(); count++; } returncount; } }
写出下面程序的输出结果 publicclassTestjava{ publicstaticvoidmain(String[]args){ Stringstr="abbaefabbewbvwabbswgfga"; System.out.println("count="+getSubCount(str,"abb")); } publicstaticintgetSubCount(Stringstr,Stringkey){ intcount=0; intindex=0; while((index=str.indexOf(key,index))!=-1){ System.out.println("index="+index); index=index+key.length(); count++; } returncount; } }
CREATE TABLE语句用于创建索引的子句是( ) 。 A: 只能用index B: 只能用key C: index或key D: keys
CREATE TABLE语句用于创建索引的子句是( ) 。 A: 只能用index B: 只能用key C: index或key D: keys
Variation in length of sentences can be used to emphasize a key idea.
Variation in length of sentences can be used to emphasize a key idea.
The index of coincidence: A: can tell you the likelihood that a key is the same length as the ciphertext B: can tell you the likelihood that some ciphertext has the same frequency counts as English C: can distinguish between mono and polyalphabetic substitution ciphers D: a and b only.
The index of coincidence: A: can tell you the likelihood that a key is the same length as the ciphertext B: can tell you the likelihood that some ciphertext has the same frequency counts as English C: can distinguish between mono and polyalphabetic substitution ciphers D: a and b only.
创建普通索引使用（）。 A: KEY B: INDEX C: UNIQUEINDEX D: PRIMARYKEY
创建普通索引使用（）。 A: KEY B: INDEX C: UNIQUEINDEX D: PRIMARYKEY
下面哪个属性或方法是返回字符串中字符的个数？ A: length B: charAt(index) C: substr(startIndex[, length]) D: indexOf(str[,startIndex])
下面哪个属性或方法是返回字符串中字符的个数？ A: length B: charAt(index) C: substr(startIndex[, length]) D: indexOf(str[,startIndex])
在Create Table语句中，【 】短语能创建索引。 A: Primary Key B: Foreign Key C: References D: Unique E: Index
在Create Table语句中，【 】短语能创建索引。 A: Primary Key B: Foreign Key C: References D: Unique E: Index
在Create Table语句中，（）短语能定义表的关键字。 A: Constraint B: Foreign Key C: Primary Key D: Index E: Unique
在Create Table语句中，（）短语能定义表的关键字。 A: Constraint B: Foreign Key C: Primary Key D: Index E: Unique
下列算法实现求采用顺序结构存储的串s和串t的一个最长公共子串。void maxcomstr(orderstring *s,*t, int index, length){int i,j,k,length1,con; index=0;length=0;i=1; while (i[=s.len) {j=1;while(j<=t.len){ if (s[i]==t[j]) { k=1;length1=1;con=1; while(con) if (1) _ { length1=length1+1;k=k+1; } else (2) __; if (length1]length) { index=i; length=length1; } (3)____; } else (4) ___; } (5) __} }[/i]
下列算法实现求采用顺序结构存储的串s和串t的一个最长公共子串。void maxcomstr(orderstring *s,*t, int index, length){int i,j,k,length1,con; index=0;length=0;i=1; while (i[=s.len) {j=1;while(j<=t.len){ if (s[i]==t[j]) { k=1;length1=1;con=1; while(con) if (1) _ { length1=length1+1;k=k+1; } else (2) __; if (length1]length) { index=i; length=length1; } (3)____; } else (4) ___; } (5) __} }[/i]
下面选项中,不是jQuery访问的方法的 A: each(callback) B: size() C: index() D: length()
下面选项中,不是jQuery访问的方法的 A: each(callback) B: size() C: index() D: length()