method

an object called by this method can not have any new properties being added. but it can change existing property values as long as writable metadata is true.

extend the 2.1 case study to implement below listed queries. write separate operations/method to implement each query. a.query all books in database.

The method 'validate' can't be unconditionally invoked because the receiver can be 'null'. Try making the call conditional (using '?.') or adding a null check to the target ('!').

Given a double-precision number, , denoting an amount of money, use the NumberFormat class' getCurrencyInstance method to convert into the US, Indian, Chinese, and French currency formats

3. the method indexof, part of the list interface, returns the index of the first occurrence of an object in a list. what does the following code fragment do?

Create a Point class with attributes that represent X and Y coordinates. Create a printXY method that prints information (X and Y) in the form ((45, 56)).

parseInt() method converts the string to a integer. Before applying this function, Ram wants to know the type of the argument that is passed to the function. What operator in javascript would support this?

query method parameters should either be a type that can be converted into a database column or a list / array that contains such type. you can consider adding a type adapter for this.

SQLSTATE[HY000] [2054] The server requested authentication method unknown to the client (SQL: select * from information_schema.tables where table_schema = blog_inertia and table_name = migrations and table_type = 'BASE TABLE')

create a public action field named displayresult that takes an int parameter and a func parameter. initialize it with an anonymous method delegate that takes an int result parameter, and a func named operation.