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Assume that name is a variable of type String that has been assigned a value. Write an expression whose value is the first character of the value of name. So if the value of name were “Smith” the expression’s value would be ‘S’.
Given a String variable named sentence that has been initialized, write an expression whose value is the number of characters in the String referred to by sentence.
Write an expression whose value is a reference to a newly created PrintWriter object associated with a file named “message.log”. The PrintWriter object should be created so that existing content in the file is not destroyed or overwritten, but rather output will be appended to any existing content.(Do not concern yourself with any possible exceptions here– assume they are handled elsewhere.)
Given a Scanner reference variable, stdin, that is associated with standard input, read in two words. Use the first word as the name of a file to create and store the second word in. Make sure that the data written to the file has been flushed from its buffer and that any system resources used during the course of running these statements have been released. (Do not concern yourself with any possible exceptions here– assume they are handled elsewhere.)
Given a PrintWriter reference variable named output that references a PrintWriter object, write a statement that flushes any buffered output on the stream associated with the object, releases any system resources associated with the object and ceases output operations on the associated stream.
Assume that c is a char variable that has been declared and already given a value. Write an expression whose value is true if and only if c is a space character.
Suponga que dataTransmitter es una variable que se refiere a un objeto que proporciona un método, sendSignal que no acepta argumentos. Escribe el código para invocar este método.
Dado Suponga que los valores de la matriz a ANTES de que se ejecute su código fueran: 15,7,22,4.
Suppose that the tuition for a university is $10,000 this year and increases 5% every year
Add a string instance variable, messageUponExiting (a string), to the Window class.
Suppose that the tuition for a university is $10,000 this year and increases 5% every year. In one year, the tuition will be $10,500. Write a program that displays the tuition in 10 years and the total cost of 4 years worth of tuition starting after the 10th year.
Using loops, write a program that finds the largest prime number smaller than 10,000